why do adults make a bigger splash when they jump into the swimming pool
Answers
Since adults have more mass than children, they have more kinetic energy when they jump into the pool. This means that when they enter the water, they transfer more kinetic energy to the water, resulting in a larger splash.
In addition to having more mass, adults also typically have a higher velocity when they jump into the pool. This is because they are generally taller and can generate more force when they jump. As a result, they enter the water with more kinetic energy, which leads to a larger splash.
Overall, the reason that adults make a bigger splash when they jump into the pool is that they have more mass and a higher velocity, which results in more kinetic energy being transferred to the water. This causes a larger splash to be produced.
Related Questions
15 ft is the same as how many yards
Answers
if we have 10000 gaseous molecules at 100 c which exerts a pressure of 0.10 atm in a container, then adding another 10000 gaseous molecules of any substances at the same temperature to the container would increase the pressure to
Answers
Adding another 10,000 gaseous molecules to the container at the same temperature would increase the pressure. To understand why, let's consider the ideal gas law, which states that pressure is directly proportional to the number of gas molecules.
In this case, we have 10,000 molecules exerting a pressure of 0.10 atm. When we add another 10,000 molecules, the total number of molecules in the container becomes 20,000. Since pressure is directly proportional to the number of molecules, the pressure would also double.Therefore, adding another 10,000 gaseous molecules at the same temperature would increase the pressure to 0.20 atm.
It's important to note that this explanation assumes that the volume and temperature of the container remain constant. Additionally, the ideal gas law assumes that the gas behaves ideally, meaning that the molecules do not interact with each other and the volume occupied by the molecules themselves is negligible compared to the volume of the container.To summarize, adding more gas molecules to a container at the same temperature increases the pressure, according to the ideal gas law. In this specific scenario, adding another 10,000 molecules would double the pressure from 0.10 atm to 0.20 atm.
To know more about molecules visit:-
https://brainly.com/question/32298217
#SPJ11
Which combination of aqueous solutions should produce a precipitate?
Answers
The combination of aqueous solutions that should produce a precipitate is when a solution of sodium chloride (NaCl) is mixed with a solution of silver nitrate (AgNO₃). This will result in the formation of a white precipitate of silver chloride (AgCl).
A precipitate is a solid that forms in a solution when two or more aqueous solutions are mixed together. The formation of a precipitate occurs when the cations and anions in the two solutions react to form an insoluble compound. In the case of mixing a solution of sodium chloride with a solution of silver nitrate, the cation in the sodium chloride solution is Na⁺ and the anion is Cl⁻.
The cation in the silver nitrate solution is Ag⁺ and the anion is NO₃⁻. When these two solutions are mixed together, the Ag⁺ ions combine with the Cl- ions to form a solid precipitate of AgCl, which is insoluble in water. This reaction is represented by the following equation:
NaCl(aq) + AgNO₃(aq) → AgCl(s) + NaNO₃(aq)
Therefore, mixing a solution of sodium chloride with a solution of silver nitrate should produce a precipitate of silver chloride.
To know more about the Aqueous solution, here
https://brainly.com/question/31529988
#SPJ1
How many carbon atoms are in each mole of calcium carbonate?
Answers
Answer:
5 atoms are in each molecule of calcium carbonate
why are so many products made from plastic ?
Answers
Explanation:
Plastic takes time to degrade which means it has great longevity. Plastic does not break as easily as glass or other materials. It lasts long and offers great service. Plastic storage containers offer greater flexibility than any other packaging materials.
BRAINLIST!!!
Which of the following best describes a process of erosion?
A.
Rocks along the coast are broken up by waves crashing into the shore.
B.
Mud, silt, sand, and pebbles are carried across the region by running water.
C.
Glaciers wear down and smooth rock as they slide across it.
D.
The wind lays down sediment to form small hills called dunes.
Answers
Answer:
The answer is C
why do we not know what was on the far side of the moon until 1960's
Answers
Answer:
Like Earth, it gets plenty of sunlight. We don’t see the far side because “the moon is tidally locked to the Earth,” said John Keller, deputy project scientist for NASA’s Lunar Reconnaissance Orbiter project. “The moon does rotate, but it rotates at the same speed that it rotates around the Earth.”
Explanation:
o facilitate ease of dose calculations for cefazolin injection, your department policy
states that the resulting concentration after reconstitution should be 100 mg/mL. The
packaging insert for cefazolin 1-g vial instructs you to add 3.4 mL of sterile water without
bacteriostat, resulting in a reconstituted solution of 250 mg/mL
i. What is the final volume of the reconstituted cefazolin solution?
A 3 mL
B. 4 mL
C. 5 mL
D. 2.5 mL
ii. What is the volume of the cefazolin powder?
A 0.4 mL
B. mL
C. 0.7 mL
D. 0.6 mL
iii. What is the final volume of the 100mg/mL cefazolin solution?
A. 6 mL
B. 8 mL
C. 7 mL
D. 10 mL
Answers
The final volume of the reconstituted cefazolin solution is 4 mL. The volume of the cefazolin powder is 0.6 mL. The final volume of the 100 mg/mL cefazolin solution is 10 mL.
The packaging insert instructs to add 3.4 mL of sterile water without bacteriostat to the 1-g vial of cefazolin. This results in a reconstituted solution with a concentration of 250 mg/mL.
To find the final volume, we can set up the equation:
Concentration of reconstituted solution = Amount of drug / Final volume
Using the given concentration (250 mg/mL) and the amount of drug (1 g = 1000 mg), we can rearrange the equation to find the final volume:
250 mg/mL = 1000 mg / Final volume
Solving for the final volume:
Final volume = 1000 mg / 250 mg/mL = 4 mL
Therefore, the final volume of the reconstituted cefazolin solution is 4 mL.
To find the volume of the cefazolin powder, we need to subtract the volume of sterile water added from the final volume of the reconstituted solution.
Given that 3.4 mL of sterile water is added to the vial, and the final volume of the reconstituted solution is 4 mL, we can calculate the volume of the cefazolin powder as follows:
Volume of cefazolin powder = Final volume - Volume of sterile water added
Volume of cefazolin powder = 4 mL - 3.4 mL = 0.6 mL
Therefore, the volume of the cefazolin powder is 0.6 mL.
To determine the final volume of the 100 mg/mL cefazolin solution, we can use the concentration and the amount of drug.
We are given that the resulting concentration after reconstitution should be 100 mg/mL. Considering the amount of drug is 1 g (1000 mg), we can set up the following equation:
Concentration of reconstituted solution = Amount of drug / Final volume
Using the given concentration (100 mg/mL) and the amount of drug (1000 mg), we can rearrange the equation to find the final volume:
100 mg/mL = 1000 mg / Final volume
Solving for the final volume:
Final volume = 1000 mg / 100 mg/mL
Final volume = 10 mL
Therefore, the final volume of the 100 mg/mL cefazolin solution is 10 mL.
To know more about cefazolin visit:
https://brainly.com/question/8549780
#SPJ11
Reforestation projects, where only one species is planted in an area, result in..
1. the likelihood of an unsustainable ecosystems.
2. limited biodiversity.
3. a population at increased risk of disease or insect invasion.
4. all of the above
Multiple choice
Answers
The melting point of benzene is 5.5 degree C. Predict the signs of Delta H, Delta S, and Delta G for the melting of benzene at: a. 0.0 °C ΔH = ΔS = ΔG = b. 15.0 °C ΔH = ΔS = ΔG =
Answers
a. Melting benzene at 0°C requires energy input and results in an increase in disorder. b. The signs of ΔH, ΔS, and ΔG for melting benzene at 15°C depend on temperature and cannot be accurately predicted.
a. At 0.0°C, the signs of Delta H, Delta S, and Delta G for the melting of benzene are all positive. ΔH represents the enthalpy change, ΔS represents the entropy change, and ΔG represents the Gibbs free energy change. A positive value for ΔH indicates that the process is endothermic, meaning that energy is absorbed from the surroundings. A positive value for ΔS indicates an increase in disorder or randomness of the system, while a positive value for ΔG indicates that the process is non-spontaneous and requires energy input to occur.
b. At 15.0°C, the signs of Delta H, Delta S, and Delta G for the melting of benzene are all dependent on the temperature and cannot be accurately predicted without additional information. The signs of these values can change as a function of temperature. However, assuming that the temperature increase causes a higher melting point, it is likely that the values of ΔH, ΔS, and ΔG will all become more positive as the process becomes less favourable. This means that more energy input is required, and the system becomes more disordered as the temperature increases.
Learn more about melting of benzene here:
https://brainly.com/question/30114259
#SPJ11
of the following molecular formulas for hydrocarbons, which is an empirical formula? of the following molecular formulas for hydrocarbons, which is an empirical formula? ch4 c2h2 c3h6 c4h10
Answers
Out of the given options, the empirical formula for a hydrocarbon is CH\(_{4}\). This is because the ratio of carbon to hydrogen atoms is 1:4, which is the smallest possible ratio for these elements in a hydrocarbon.
The empirical formula of a hydrocarbon is the simplest whole number ratio of carbon and hydrogen atoms in the molecule. In other words, it is the formula that shows the smallest possible ratio of the elements in the compound.
The other options, C\(_{4}\)H\(_{2}\), C\(_{3}\)H\(_{6}\), and C\(_{4}\)H\(_{10}\), are all molecular formulas, not empirical formulas. These formulas show the actual number of atoms of each element in the molecule, but they do not show the smallest possible ratio of the elements.
To learn more about empirical formula:
https://brainly.com/question/1439914
#SPJ11
An ideal gas fills a balloon at a temperature of 227ºC and standard pressure. By what factor will the volume of the balloon change if the gas in the balloon is heated to 327ºC at standard pressure? Identify which gas law applies and show your work to receive full credit. Highlight the correct answer below. (2 points)
a. 227/327
b. 5/6
c. 6/5
d. 2/1
e. 327/227
Answers
Answer:
e. 327/227
Explanation:
This is the correct standard pressure.
h2so4(aq) + mg(s) → mgso4(aq) + h2(g) Which substance is the acid in the reaction?
Answers
Answer:
\( H_2SO_4\)
Explanation:
\( H_2SO_4\) (sulphuric acid) is the acid in the given reaction.
The acid present in the chemical equation is sulfuric acid with chemical formula H₂SO₄.
What is an acid?Acids are defined as substances which on dissociation yield H+ ions , and these substances are sour in taste.Compounds such as HCl, H₂SO₄ and HNO₃ are acids as they yield H+ ions on dissociation.
According to the number of H+ ions which are generated on dissociation acids are classified as mono-protic , di-protic ,tri-protic and polyprotic acids depending on the number of protons which are liberated on dissociation.
Acids are widely used in industries for production of fertilizers, detergents batteries and dyes.They are used in chemical industries for production of chemical compounds like salts which are produced by neutralization reactions.
Learn more about acids,here:
https://brainly.com/question/29796621
#SPJ5
In the arrhenius equation, the collision frequency and molecular orientation are incorporated in the value of?
Answers
The collision frequency and molecular orientation are incorporated in the value of the activation energy (Ea) in the Arrhenius equation.
The Arrhenius equation is a mathematical expression that describes the temperature dependence of reaction rates. It states that the rate constant (k) of a chemical reaction is directly proportional to the frequency of successful collisions between reacting molecules, and is given by the equation:
k = Ae^(-Ea/RT),
where A is the pre-exponential factor, Ea is the activation energy, R is the gas constant, and T is the temperature in Kelvin.
This equation predicts that as the temperature increases, the reaction rate will also increase due to the increase in collision frequency and molecular orientation, which are both incorporated in the activation energy (Ea).
Learn more about Arrhenius equation here: https://brainly.com/question/13467424
#SPJ4
What is the pressure exerted by 68.0 g of nitrogen trihydride gas in a 50.0L container at 30.0 C?
Answers
Answer:
Molecular mass of NH3 = ( 14 + 3 ) = 17 g
\(PV = \frac{m}{m _{r}} RT \\ P \times 50.0 \times {10}^{ - 6} = \frac{68.0}{17} \times 8.314 \times (30.0 + 273) \\ P = \frac{68.0 \times 8.314 \times 303}{17 \times 50.0 \times {10}^{ - 6} } \\ P = 2.02 \times {10}^{8} \: Pascals\)
Which of the following statements on HPLC modes is true? A. Increasing the polarity of the mobile phase decreases the elution time of polar compounds in normal-phase HPLC B. A non-polar stationary phase is used in normal-phase HPLC C. Compounds have a lower attraction to the mobile phase than to the stationary phase in displacement development D. A polar stationary phase is used in reversed-phase HPLC E. More polar compounds elute first in normal-phase HPLC
Answers
The following statements on HPLC modes are true is more polar compounds elute first in normal-phase HPLC (Option E).
The liquid chromatography (HPLC) is a technique in analytical chemistry employed for the separation, identification, and quantification of elements. It is considered a highly sensitive method, and it works by separating the components in a mixture with the assistance of a solvent under high pressure.
There are two modes of HPLC: Reversed-Phase HPLC (RP-HPLC) and Normal-Phase HPLC (NP-HPLC). In RP-HPLC, a nonpolar stationary phase, such as C18, is used, and polar solvents, such as water, are used as mobile phases. Polar stationary phases, such as silica gel, are used in NP-HPLC, while nonpolar solvents, such as hexane, are used as mobile phases.
More polar compounds have a greater affinity for the polar stationary phase than less polar compounds, which have a higher affinity for the nonpolar mobile phase in NP-HPLC. As a result, less polar compounds elute first in normal-phase HPLC.
Thus, the correct option is E.
Learn more about HPLC: https://brainly.com/question/13490391
#SPJ11
Potassium metal reacts with chlorine gas to form solid potassium chloride. Answer the following:
Write a balanced chemical equation (include states of matter)
Classify the type of reaction as combination, decomposition, single replacement, double replacement, or combustion
If you initially started with 78 g of potassium and 71 grams of chlorine then determine the mass of potassium chloride produced.
Answers
The reaction between pottasium metal and chlorine gas is a combination reaction and it is as follows;
2K + Cl₂ → 2KCl
What is a chemical reaction?A chemical reaction is a process involving the breaking or making of interatomic bonds, in which one or more substances are changed into others.
A chemical reaction is said to be a combination reaction when two or more atoms are joined together to form a compound. An example is the reaction of pottasium metal and chlorine gas to produce pottasium chloride as follows:
2K + Cl₂ → 2KCl
In the above equation, two elements; pottasium chemically combines with chlorine to form a compound; pottasium chloride.
Learn more about combination reaction at: https://brainly.com/question/32027270
#SPJ1
A certain reaction has an activation energy of 54.0 kJ/mol. As the temperature is increased from 22C to a higher temperature, the rate constant increases by a factor of 7.00. Calculate the higher temperature.
Answers
The higher temperature will be:
As the temperature is increased from 22°C to a higher temperature, the rate constant increases by a factor of 7.00. The final temperature will be 271.74K.
What is the activation energy?
Activation energy is defined as the extra energy provided required to activate the molecules to start reacting and forming intermediate and later product.
Arrhenius equations given the relation rate constant and activation energy.
\(LnK=Ae^{-\frac{E_a}{RT}\\\\\)
Where,
K= Rate constant
A= Pre exponential factor
\(E_a=\) Activation energy
When two rate constants are given \(K_1\,\) and \(\,K_2\)
\(ln\frac{K_2}{K_1}=\frac{E_a}{R}(\frac{1}{T_2}-\frac{1}{T_1})\)
Given,
\(T_1\) = 22°C = 295K
Rate constant\((K_1)\) increases by a factor of 7,i.e, \(K_2=7K_1\)
\(E_a\)= 54 kJ/mole = 54000 J/mole
R= 8.314 \(J\,mol^{-1}K^{-1}\)
Putting the values,
\(ln\frac{K_2}{K_1}=\frac{E_a}{R}(\frac{1}{T_2}-\frac{1}{T_1})\)
ln 7 x 8.31454000 = (1/\(T_{2}\\\) - 1/295)
0.299 x \(10^{-3}\) + 1/295 = 1/\(T_{2}\)
0.00368 = 1/\(T_{2}\)
\(T_{2}\) = 1/0.00368
\(T_{2}\) = 271.74 K
Therefore,
The increase in temperature will change from 295K to 271.74K.
Learn more about Arrhenius equation of activation here,
https://brainly.com/question/14977272
#SPJ4
What type of radiation would have a wavelength of 10 -2 m?
Answers
A wavelength of \(10^{-2}\) meters corresponds to a frequency of about 3 × \(10^{14}\) Hz, which places it in the microwave range of the electromagnetic spectrum.
Therefore, the type of radiation that would have a wavelength of \(10^{-2}\)meters is a microwave radiation. Microwaves are a type of electromagnetic radiation that has a longer wavelength than visible light but shorter than radio waves. They are commonly used in communication, heating, and cooking applications. In particular, microwave radiation is used in microwave ovens to heat food by causing water molecules to vibrate, which generates heat. Additionally, microwave radiation is used in telecommunications, such as mobile phones and satellite communications.
To know more about corresponds click here:
brainly.com/question/26104021
#SPJ4
Day 2 code word
Options are
1. Chloroplast
2. Cytokinesis
3 cytoplasm
4. Meiosis
Answers
Answer:
chloroplast
Explanation:
balance _NH3+O2→NO+H2O
Answers
A chemical equation must balance according to the rule of conservation of mass. According to the rule, mass cannot be generated or removed during a chemical process. Here the balanced equation is 4NH₃+O₂ → 4NO+ 6H₂O.
A chemical equation is said to be balanced if the quantity of each type of atom in the reaction is the same on both the reactant and product sides. In a balanced chemical equation, the mass and charge are both equal.
A balanced chemical equation is one in which the number of atoms on each side (the reactant and product side) of the equation are equal. The law of conservation of mass states that when a chemical reaction takes place, the mass of the reactants and products should be equal.
To know more about balanced equation, visit;
https://brainly.com/question/29769009
#SPJ1
How are renewable and nonrenewable resources different?
Renewable resources can be replaced, but nonrenewable resource are recycled.
There are a lot of nonrenewable resources and very few renewable resources.
Nonrenewable resources cannot be replaced, whereas renewable resources can be recycled.
Renewable resources can be replaced in a reasonable amount of time, but nonrenewable resources cannot.
Answers
Renewable resources can be replaced, while nonrenewable resources cannot be replaced.
What are some examples of renewable resources?Some examples of renewable resources include solar energy, wind energy, hydropower, geothermal energy, and biomass.
Why is it important to prioritize the use of renewable resources over nonrenewable resources?It is important to prioritize the use of renewable resources over nonrenewable resources because nonrenewable resources are finite and their depletion can have significant negative impacts on the environment and human society. In contrast, renewable resources can be replenished and their use can help reduce our dependence on fossil fuels and mitigate climate change.
Learn more about Renewable resources here:
https://brainly.com/question/19604560
#SPJ1
Pliss help
A)random change
B)natural selection
C) artificial selection
D)inbreeding
And why
Answers
Answer: I believe it is artificial selection (not certain though)
Explanation: modern day dogs have been bread an domesticated to be used by humans in ways we see fit.
i dont get this pls help
Answers
Answer:
hi im baby patrick :)
Explanation:
Use the following chemical equation to answer the question. 4K(s) + O2(g) → 2 K2O(s). If a staff member at a laboratory has 12.0 grams of potassium metal, what is the theoretical yield of potassium oxide that the scientist could potentially produce from the reaction with oxygen gas?
A) 9.96 grams of K2O
B) 14.5 grams of K2O
C) 28.9 grams of K2O
D) 57.8 grams of K2O
Answers
Answer:14.5 grams of K2O
Explanation:
4K(s) + O2(g) → 2 K2O(s). If a staff member at a laboratory has 12.0 grams of potassium metal, 14.5 grams of K2O is the theoretical yield of potassium oxide that the scientist could potentially produce from the reaction with oxygen gas. Therefore, option B is correct.
What is theoretical yield ?The yield of a reaction is used to represent how much of a product is produced from that reaction. The theoretical yield is the quantity of product that stoichiometry predicts will be produced, whereas the actual yield is the amount that is actually produced.
Divide the ratio by the limiting reactant's molecular weight. The answer is the theoretical yield of the desired product in moles.
It is useful to know how much product will be created with specific reactant amounts before carrying out chemical reactions. The theoretical yield is what is meant by this. This method can be applied to determine the theoretical yield of a chemical reaction.
Thus, option B is correct.
To learn more about theoretical yield, follow the link;
https://brainly.com/question/175584
#SPJ2
Rapid, uncontrolled cell division of abnormal cells is characteristic of
sex cells
cancer
growth
sexual reproduction
Answers
Cancer is a group of diseases characterized by uncontrolled growth and spread of abnormal cells. If the spread is not controlled, it can result in death.
the products of the electron transport chain include group of answer choices h2o. glucose. o2. nadh.
Answers
Answer:hat are the products of electron transport chain?
The end products of electron transport are NAD+, FAD, water and protons. The protons end up outside the mitochondrial matrix because they are pumped across the cristal membrane using the free energy of electron transport.
Explanation:
why does shampoo remove hair grese for chemistry acids and alkali
Answers
2AgNO3 + BaCl2 → 2AgCl + Ba(NO3)2
How many grams of AgCl, silver chloride, are produced from 5.0 g of AgNO3, silver nitrate?
Answers
4 g AgCl
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Stoichiometry
Reading a Periodic TableUsing Dimensional AnalysisExplanation:Step 1: Define
[RxN] 2AgNO₃ + BaCl₂ → 2AgCl + Ba(NO₃)₂
[Given] 5.0 g AgNO₃
Step 2: Identify Conversions
[Reaction - Stoich] 2AgNO₃ → 2AgCl
Molar Mass of Ag - 107.87 g/mol
Molar Mass of N - 14.01 g/mol
Molar Mass of O - 16.00 g/mol
Molar Mass of Cl - 35.45 g/mol
Molar Mass of AgNO₃ - 107.87 + 14.01 + 3(16.00) = 169.88 g/mol
Molar Mass of AgCl - 107.87 + 35.45 = 143.32 g/mol
Step 3: Stoichiometry
Set up: \(\displaystyle 5.0 \ g \ AgNO_3(\frac{1 \ mol \ AgNO_3}{169.88 \ g \ AgNO_3})(\frac{2 \ mol \ AgCl}{2 \ mol \ AgNO_3})(\frac{143.22 \ g \ AgCl}{1 \ mol \ AgCl})\)Multiply/Divide: \(\displaystyle 4.21533 \ g \ AgCl\)Step 4: Check
Follow sig fig rules and round. We are given 1 sig fig.
4.21533 g AgCl ≈ 4 g AgCl
How many liters of hydrogen are formed at 715 mmhg and 19.0 deg c if 12.8 g of al react according the following reaction: 2 al + 6 hci ---> 2 alcl3 + 3 h2
Answers
There are 0.017 mm volume hydrogen are formed at 715 mm hg and 19.0 deg c if 12.8 g of al react
The relationship between an object's mass and volume seems to be straightforward. The object's mass rises directly proportionately to its volume.
The given reaction is:
2 Al + 6 HCl → 2 alcl3 + 3 h2
It can be seen that, 3 mol of hydrogen is formed during the reaction.
Number of moles of hydrogen = 3
Mass = 12.8 g
d = 715 mmHg
Volume of hydrogen can be calculated as:
Density = mass /volume
Volume = mass / density
Put the values of given data in above expression.
Volume = 12.8 g / 715 mm hg
Volume = 0.017 mm
Thus, volume of the hydrogen will be 0.017 mm
To know more about volume
https://brainly.com/question/24189159
#SPJ4