A liquid has a volume of 4 mL and a mass of 24 g what is the density of the liquid. (Help rn)

Because it takes no energy to generate a naturally occurring compound, the enthalpy of formation for an element in its elemental state will always be 0.

The free energy shift that happens when 1 mole of a material is created from its component elements in their standard states is referred to as the standard free energy of formation. The standard free energy of production of a pure element in its standard state is zero.

The distinction between Gibbs free energy and standard free energy is that the former is dependent on the experimental circumstances, whilst the latter describes the Gibbs free energy for reactants and products in their standard state.

learn more about standard free energy

https://brainly.com/question/14415025

#SPJ1

Answer:

CaCl2--->Ca2+ + 2Cl_ so i=3

An atomic mass is the mass of a chemical element's single atom. It involves the masses of the three atomic subatomic particles: protons, neutrons and electrons.

Volume of Naoh(V1)= 30cc

Normality of Naoh(N1)= 1N

Volume of excess Hcl(V2) = ??

Normality of Hcl(N2) = molarity × basicity

= 2×2 = 4 × 1.01 = 4.04N

Using,

V1N1 = V2N2

30×1 = V2 × 4.04

I.e. V2 = 7.42cc

Volume of excess acid = 7.42 cc

  Volume of Hcl neutralized by metal=    100 - 7.42

= 92.575 cc

Therefore,  gm.eqv of Hcl = gm.eqv of metal

(92.575/1000) × 4.04 = 4/E

I.e E = 10.09

Atomic mass= E × basicity

                      = 10.09 × 2

                      = 20.18amu ans

The atomic mass is 20.18 amu

Learn more about atomic mass here

https://brainly.com/question/3187640

#SPJ9

Answer:

1.7 moles of ethanol would be needed.

Explanation:

* Calculate the moles of ethanol needed to produce 1.70mol of water. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.

First off, we have to state the equation for the reaction.

So we know that;

ethanol + oxygen → acetic acid + water

This leads us to;

C2H5OH + O2 → CH3COOH + H2O

1                    1         1                    1

To obtain the moles of ethanol needed to produce 1.70mol of water, we look at the stoichiometry of the reaction above.

1 mol of ethanol produces 1 mole of water

x mol of thanol would produce 1.7 mol of water

Thus we have;

1 = 1

x = 1.7

x = 1.7 moles of ethanol would be needed.

Answer:

6.573

Explanation:

2.7500 x 1cal/4.184kj x 1Cal/1000cal = 6.573

The activation energy (Ea) in kJ/mol is equal to the product of the rearranged Arrhenius equation multiplied by 1000 kJ/mol.

To calculate the activation energy (Ea) in kJ/mol, you can use the rearranged Arrhenius equation (Equation 4):
Ea = R * (1/T2 - 1/T1) * ln(k2/k1)

Given:
k1 = Rate Constant at cold temperature

k2 = Rate Constant at room temperature

T1 = Temperature of the reaction mixture at cold temperature

T2 = Temperature of the reaction mixture at room temperature

R = 8.314 J mol-1 K-1

Calculation:
Ea = 8.314 J mol-1 K-1 * (1/T2 - 1/T1) * ln(k2/k1)

Ea = (8.314 J mol-1 K-1 * (1/T2 - 1/T1)) * ln(k2/k1)

Ea = (8.314 J mol-1 K-1 / T2 - 8.314 J mol-1 K-1 / T1) * ln(k2/k1)

Ea = (8.314 J mol-1 K-1 / T2 - 8.314 J mol-1 K-1 / T1) * ln(k2/k1)

Ea = (8.314 J mol-1 K-1 / T2 - 8.314 J mol-1 K-1 / T1) * ln(k2/k1) * 1000 kJ/mol

Ea = (8.314 J mol-1 K-1 / T2 - 8.314 J mol-1 K-1 / T1) * ln(k2/k1) * 1000 kJ/mol
Here you can learn more about Arrhenius equation

https://brainly.com/question/12907018#

#SPJ11

Explanation:

Cooking utensils, such as pots, pans and menu trays, are often made from aluminium because it is lightweight and conducts heat well, making it energy-efficient for heating and cooling. These properties also make it a preferred material for packaging.

From the balanced chemical equation above, we can see that:

• A precipitate may form wh ( BaSO4(s) ) forms.

• Therefore, ,there is a reaction, that took place here.

Taking into account the reaction stoichiometry, 0.886 grams of O₂ can be prepared by the decomposition of 12 grams of mercury oxide.

In first place, the balanced reaction of the decomposition of mercury oxide is:

2 HgO  → 2 Hg + O₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

HgO: 2 moles ×216.59 g/mole= 433.18 grams

Hg: 2 moles ×200.59 g/mole= 401.18 grams

O₂: 1 mole ×32 g/mole= 32 grams

The following rule of three can be applied: if by reaction stoichiometry 433.18 grams of HgO form 32 grams of O₂, 12 grams of HgO form how much mass of O₂?

\(mass of O_{2} =\frac{12 grams of HgOx 32 grams of O_{2}}{433.18 grams of HgO}\)

mass of O₂= 0.886 grams

Then, 0.886 grams of O₂ can be prepared by the decomposition of 12 grams of mercury oxide.

Learn more about the reaction stoichiometry:

brainly.com/question/24741074

brainly.com/question/24653699

Answer:

A.

Explanation:

They'd probably want to know the conditions that usually produce fog

Answer:

Pollen

Explanation:

bc i take notes and also my sister studies bio

PLZ GIMME BRAINLIEST

Answer:

correct

Explanation:

Answer:

I believe its false

Explanation:

a carrying capacity is the maximum amount of living things that can be held in a single container

Answer:

Populations vary in their capacity to grow. The maximum rate at which a population can increase when resources are unlimited and environmental conditions are ideal is termed the population's biotic potential. Each species will have a different biotic potential due to variations in

the species' reproductive span (how long an individual is capable of reproducing)

the frequency of reproduction (how often an individual can reproduce)

"litter size" (how many offspring are born each time)

survival rate (how many offspring survive to reproductive age)

There are always limits to population growth in nature. Populations cannot grow exponentially indefinitely. Exploding populations always reach a size limit imposed by the shortage of one or more factors such as water, space, and nutrients or by adverse conditions such as disease, drought and temperature extremes. The factors which act jointly to limit a population's growth are termed the environmental resistance. The interplay of biotic potential and density-dependent environmental resistance keeps a population in balance.

It is shown that rate equation for enzymatic reaction is proportional to the product of concentrations of enzyme E and enzyme-substrate-oxygen complex ESO₂ and constant of proportionality k' is equal to k₃ multiplied by the product of equilibrium constants K₁ and K₂. This is expressed mathematically as K = K₁ x K₂ x K₃.

A physiologically relevant biochemical stimulus for the temporal and spatial control of drug release is called enzymatic reaction .

The overall reaction equation for the enzymatic oxidation reaction is:

S + O₂ → P

S is substrate, O₂ is oxidizing agent, and P is product of the reaction.

The reaction proceeds through the formation of the enzyme-substrate complex (ES), followed by the formation of the enzyme-substrate-oxygen complex (ESO₂), and finally, the dissociation of the product P from the ESO₂ complex, which regenerates the active enzyme E.

Rate equation for this reaction is: v = k₃[ESO₂]

v is rate of the reaction, k₃ is rate constant for the final step, and [ESO₂] is  concentration of the enzyme-substrate-oxygen complex.

K₁ = [ES][S] / [E][S] (E.1)

K₂ = [ESO₂][E][O₂] / [ES][E][O₂] (E.2)

K₂ = [ESO₂] / [ES]

K₁ x K₂ = ([ES][S] / [E][S]) x ([ESO₂] / [ES])

K₁ x K₂ = [ESO₂] / [E]

[E][ESO₂] = K₁ x K₂ x [ES]

[ES] = ([E][ESO₂]) / (K₁ x K₂)

v = k₃([E][ESO₂]) / (K₁ x K₂)

v = k'([E][ESO₂])

where k' = k₃ / (K₁ x K₂)

Therefore, we have shown that the rate equation for the enzymatic reaction is proportional to the product of the concentrations of the enzyme E and the enzyme-substrate-oxygen complex ESO₂, and the constant of proportionality k' is equal to k₃ multiplied by the product of the equilibrium constants K₁ and K₂. This is expressed mathematically as K = K₁ x K₂ x K₃.

To know more about enzymatic reactions, refer

https://brainly.com/question/11276447

#SPJ1

Answer:

the feather

Explanation:

solids do not change shape

Answer:

1. Never leave the gas cartridge in the stove when you’re not using it.

2. Always wait until the stove cools down before you remove the gas cartridge.

3. Always try to store gas cartridges and camping stoves in a dry place

4. Clean your stove each time you have used it because it needs to be clean in order to perform at its best.

Answer:

1.44 STABLE

Explanation:

The concentration of H₂SO₄ solution is equal to 0.0480 M.

A neutralization reaction is described as a chemical reaction where acid and base react to produce respective salt and water. When a strong acid reacts with a strong base then the salt can be neutral.

When H₂SO₄ (a strong acid) reacts with NaOH, the resulting salt is Na₂SO₃  and water.

H₂SO₄  +  2 NaOH   →   Na₂SO₄  +   2H₂O

Given, the concentration of NaOH = 0.146 M

The volume of the NaOH = 14.85 ml = 0.01485 L

The number of moles of NaOH, n = M × V = 0.146 × 0.01485 = 0.00216 M

The volume of the  H₂SO₄ = 22.55 ml = 0.02255 L

The number of moles of  H₂SO₄, n = 0.00216/2 = 0.00108 mol

The concentration of H₂SO₄ =0.00108/0.02255 = 0.0480 M

Therefore, the molarity of  H₂SO₄ is 0.0480 M.

Learn more about neutralization reaction, here:

brainly.com/question/20038776

#SPJ1

The findings of scientific investigation can be seen in four real-world situations:

Finding the answer to a topic through a variety of research techniques is the process of conducting a scientific investigation.

Thus, the findings of scientific investigation can be seen in four real-world situations:

To know more about the scientific investigation, here

https://brainly.com/question/17571192

#SPJ1

The relative standard deviation for the set of data obtained by the student is 0.470%

The formula for calculating the relative standard deviation is given below as:

Relative standard deviation (RSD) = (S * 100)/x

where S stands for the standard deviation and x is the mean of the data set.

The following are the steps to calculate to determine the relative standard deviation using the given formula:

Step 1: Calculate the mean of the numbers in the data set.

mean, x = sum of numbers / number of numbers

(40.220 + 40.654 + 40.314 + 40.165 + 40.554)/5

mean = 40.381 g/mol

Step 2: Subtract the mean from each number in the data to determine the deviation for each number and then square the deviations.

(40.220 - 40.381)² = 0.0259

(40.654 - 40.381)² = 0.0745

(40.314 - 40.381)² = 0.00449

(40.165 - 40.381)² = 0.0466

(40.554 -40.381)² = 0.0299

Step 3: Sum the squared deviations.

0.0259 + 0.0745 + 0.00449 + 0.0466 + 0.0299 = 0.181

Step 4: Determine the variance by dividing the sum of the squared deviations by the total number of values.

Variance = 0.181/5 = 0.0362

Step 6: Determine the standard deviation of the data by taking square root of the variance.

Standard deviation, S = √0.0362 = 0.190

Step 7: Determine the relative standard deviation by inserting the values in the formula, (RSD) = (S * 100)/x

RSD = (0.190 * 100)/40.381

RSD = 0.470%

Learn more at: https://brainly.com/question/475676

Answer:

NH3 is the base and NH4Cl is the salt.

Explanation:

Hello there!

In this case, according to the given information, it is possible for us to rewrite the chemical equation and thus obtain:

\(NH_3+HCl\rightarrow NH_4Cl\)

Whereas it is possible to notice that ammonia, NH3, received the hydrogen ions from HCl to form NH4 ions and Cl ions; in such a way, we infer that NH3 is the base and NH4Cl is the salt.

Regards!

Answer:

NH3 is the base and NH4Cl is the salt

Explanation:

The density of a sample of NH\(_3\)(g) at a pressure of 1.00 atm is 0.869 g/L. 592m/s is the square velocity (in m/s) of the molecules in this sample.

The velocity of a gas molecule at a certain temperature, which corresponds to point P in the graph, is 200 ms. At the given temperature, the rms velocity of a gas molecule is about. Molecular count (A) 163ms (C) 245ms (B) 217 milliseconds; (D) 226 milliseconds. The rms velocity of a particular amount of gas molecules at 27oC and 1.0 105 Nm⁻² pressure is 200 msec-1.

velocity = √3p/density

           =√3/0.869

          =592m/s

To know more about velocity, here:

https://brainly.com/question/24259848

#SPJ1

The growth of the new plant depicts the asexual reproduction characteristic. The characteristic that describes the growth of the new plant in Stephan's mother cutting a twig from a rose bush and planting it in the soil is asexual reproduction.

Asexual reproduction is the mode of reproduction by which organisms generate offspring that are identical to the parent's without the fusion of gametes. Asexual reproduction is a type of reproduction in which the offspring is produced from a single parent.

The offspring created are clones of the parent plant, meaning they are identical to the parent.The new plant in Stephan’s mother cutting a twig from a rose bush and planting it in the soil depicts the process of asexual reproduction, which is the ability of a plant to reproduce without seeds. In asexual reproduction, plants can reproduce vegetatively by cloning themselves using their roots, bulbs, or stems.

Know more about    characteristic  here:

https://brainly.com/question/28790299

#SPJ8

Answer:

your answer should be the bottom

sorry if im wrong

Explanation:

President Bush signed the Energy Policy Act in 2005 affect hydropower because Bush enacts the Energy Policy Act as law in an effort to address the rising energy issues. By offering tax breaks and credit guarantees for energy production of all kinds, including hydropower, the act altered American energy policy.

The revolutionary Architecture Hydraulique, written by French hydraulic and military engineer Bernard Forest de Bélidor, marked the beginning of the development of the modern hydropower turbine.

Note that the Energy Policy Act of 2005 was signed by President Bush on August 8, 2005. The Underground Storage Tank Compliance Act of 2005, Title XV, Subtitle B, amends Subtitle I of the Solid Waste Disposal Act, the primary law that established the underground storage tank (UST) program.

Learn more about hydropower from

https://brainly.com/question/8934285
#SPJ1

Based on the formula to determine the freezing point depression of the solvent, the freezing point of the solution is 263.85 K.

The freezing point of a substance is the temperature at which the liquid changes to solid without any further decrease in temperature occurring during the process.

The addition of solute substances in liquids usually lowers the freezing point of the liquid solvent.

The formula to determine the freezing point depression of solvent is given below:

where'

The molality of the given solution = moles of solute/kg of solvent

moles of solute = 46/92

mass of solvent = 100 g or 0.1 kg

Molality of solution = (46/92) / 0.1

Molality of solution = 5

for glycerine, i = 1

ΔT = ΔT = 1 * 1.86 * 5

ΔT = 9.3

The freezing point of the solution = 273.15 - 9.3

The freezing point of the solution = 263.85 K

Learn more about freezing point depression at: https://brainly.com/question/30093044

#SPJ1

The volume, in milliliters of 0.595 M iron (II) bromide that will contain 100 g of the substance will be 779.3 mL.

The molarity of a solution is the ratio of the mole of solutes to the volume of the solution. Mathematically:

Molarity = mole/volume

Also, mole = mass/molar mass

Thus, 100 g of iron (II) bromide (molar mass = 215.65 g/mol) would be:

100/215.65 = 0.4637 mol

Making the volume of the subject from the equation above:

Volume = mole/molarity

              = 0.4637/0.595

              = 0.7793 liters

In milliliters, 0.7793 liters = 0.7793 x 1000 = 779.3 mL

Thus, the volume of the solution would be 779.3 mL.

More on molarity-related problems can be found here: https://brainly.com/question/15421287

#SPJ1