Given the formula V=1/3Ah, solve for h.

When gases in two different containers are same , at same temperature, and same pressure then the number of moles must also be same.

To know more about mole visit:

https://brainly.com/question/26416088

#SPJ4

Answer:

4th one is correct...............

Calcium ion forms a precipitate with ammonium oxalate. The reaction occurs when calcium and oxalate ions combine to create calcium oxalate. Calcium oxalate is a white, insoluble precipitate that settles out of solution when formed. The equation for the formation of calcium oxalate is given as follows: Ca2+ + C2O42− → CaC2O4.

This reaction is used to test for the presence of calcium ions in a solution. The reaction is performed by mixing ammonium oxalate with calcium chloride. If calcium ions are present in the solution, a white precipitate of calcium oxalate forms. This reaction is often used to test for the presence of calcium ions in water samples.

Calcium ions are abundant in nature and are required for the growth and maintenance of healthy bones and teeth. They can be found in many foods, including dairy products, leafy green vegetables, and fortified cereals and juices.Calcium oxalate, the precipitate formed when ammonium oxalate reacts with calcium ions, is a common component of kidney stones. Calcium oxalate stones can cause pain and discomfort when they become lodged in the urinary tract. They can be treated with medications or surgery, and are often preventable through dietary changes and increased water intake.

Calcium ions form a white, insoluble precipitate with ammonium oxalate known as calcium oxalate. Calcium oxalate is a common component of kidney stones, which can be treated with medications or surgery and prevented through dietary changes and increased water intake. Calcium ions are important for healthy bones and teeth and can be found in many foods. The reaction between ammonium oxalate and calcium chloride is often used to test for the presence of calcium ions in water samples.

To know more about kidney stones visit:

brainly.com/question/28042240

#SPJ11

In chemistry, calcium chloride forms a precipitate when mixed with ammonium oxalate. The precipitate formed is calcium oxalate. The balanced chemical equation for this reaction provided.

In the field of Chemistry, a substance that forms a precipitate with ammonium oxalate is calcium chloride (CaCl2). When these two compounds are mixed in solution, calcium oxalate (CaC2O4) precipitates out. The reaction can be written as follows: 2 NH4C2O4 (aq) + CaCl2 (aq) -> CaC2O4 (s) + 2 NH4Cl (aq). Hence, the substance that forms a precipitate with ammonium oxalate is calcium chloride.

https://brainly.com/question/32800325

#SPJ12

At 223.3°C the solution will boil.

The organic substance methyl salicylate has the chemical formula C₈H₈O₃. It is salicylic acid's methyl ester. It is a clear, viscous liquid that is commonly referred to as "minty" since it is a component of mint candies. It has a sweet, fruity aroma reminiscent of root beer.

Lye and caustic soda are other names for sodium hydroxide, an inorganic substance having the formula NaOH. It is a white, solid ionic substance made up of the cations sodium (Na+) and the anions hydroxide (OH).

to learn more about methyl salicylate go to -

https://brainly.com/question/20910770

#SPJ4

The device that is most famously used to find the molecular weight of a compound is a mass spectrometer.

A mass spectrometer is an analytical instrument that is used to measure the mass-to-charge ratio of charged particles. It works by ionizing a sample of the compound, accelerating the ions, and then measuring their masses using a magnetic or an electric field. The resulting mass spectrum can be used to determine the molecular weight of the compound, as well as its elemental composition and isotopic distribution. Mass spectrometry is widely used in chemistry, biochemistry, and other fields to identify and quantify molecules, and it is considered one of the most accurate and precise methods for determining molecular weight.

To learn more about molecular weight visit: https://brainly.com/question/24258041

#SPJ4

Answer:

it was when she added the vinegar onto the baking soda paste. since bubbles formed it became a chemical reaction

Answer:

1) 5 protons, 2) 5, 3) boron, 4) 6 Neutrons, 5) 10.811 ≈ 11, 6) Boron-9

Answer:

See Explanation

Explanation:

The rate of reaction means the same thing as the speed of a reaction. It refers to how quickly or slowly the reactants disappear or how quickly or slowly the products appear per unit time.

The equation of the reaction is; NO(g) + O3(g)→ NO2(g) + O2(g)

We can write differential equations to show the rate of disappearance of reactants or rate of appearance of products as shown below where the rate of reaction has been denoted as r;

r = -d[NO(g)]/dt = -d[O3(g)]/dt

OR

r = d[NO2(g)]/dt = d[O2(g)]

The negative signs shows that the concentration of reactants decreases with time while the positive sign shows that the concentration of products increases with time.

Answer:

should be half wich is 750

Explanation:

The refrigerator would use 180 kilowatt-hours (kWh) of electric energy over the course of 30 days, assuming it runs for 12 hours each day.

To calculate the kilowatt-hours (kWh) of electric energy used by the refrigerator in 30 days, we need to multiply the power rating by the total running time.

Given:

Power rating of the refrigerator = 500 W

Running time per day = 12 hours

Number of days = 30

First, we need to convert the power rating from watts to kilowatts:

Power rating = 500 W / 1000 = 0.5 kW

Next, we calculate the total energy used in kilowatt-hours (kWh) over the 30-day period:

Energy used = Power rating × Running time × Number of days

Energy used = 0.5 kW × 12 hours/day × 30 days

Energy used = 180 kWh

Therefore, the refrigerator would use 180 kilowatt-hours (kWh) of electric energy over the course of 30 days, assuming it runs for 12 hours each day.

For more question on energy

https://brainly.com/question/29339318

#SPJ8

Answer: The statement conjugate base of hydrofluoric acid is weaker than that of acetic acid is most likely true.

Explanation:

A strong acid upon dissociation gives a weak conjugate base. This can also be said as stronger is the acid, weaker will be its conjugate base or vice-versa.

Hydrofluoric acid is a strong base as it dissociates completely when dissolved in water.

For example, \(HF \rightleftharpoons H^{+} + F^{-}\)

The conjugate base is \(F^{-}\) which is a weak base.

Acetic acid is a weak acid as it dissociates partially when dissolved in water. So, the conjugate base of acetic acid is a strong base.

\(CH_{3}COOH \rightarrow CH_{3}COO^{-} + H^{+}\)

Thus, we can conclude that the statement conjugate base of hydrofluoric acid is weaker than that of acetic acid is most likely true.

Answer:

b nitrogen&oxygen

Explanation:

i'm built different

No, noninvasive can not be used to study the responses of single neuron.

It is not possible to study the responses of a single neuron non-invasively using current technology. The information related to the activity of a single neuron can be studied using invasive methods such as microelectrode recordings from a single neuron. It is crucial to be cautious while performing such methods as it might damage the brain tissue.

Some non-invasive techniques like fMRI, EEG, and MEG can only record neural activity from many neurons together. EEG, fMRI, and MEG provide information on the activity of groups of neurons, but they cannot provide information on single neuron activity. Hence, invasive techniques are preferred as they can provide detailed information about the activity of individual neurons.

Learn more about neuron -

brainly.com/question/30246130

#SPJ11

0.114 mol of \(H_2SO_4\) need to react with all of this KOH

Balance Equation:

\(2 KOH ( aq ) + H 2 SO 4 ( aq ) \rightarrow K_2 SO_4 ( aq ) + 2 H_2 O ( l ) .\)

from the Equation we know that 2 mol of KOH react with 1 mole of sulphuritic acid.

so

moles of h2so4 = Moles of KOH/ 2

=0.228/2 = 0.114 moles

0.114 mol of \(H_2SO_4\) need to react.

To learn more about  neutralization reaction refer,

https://brainly.com/question/15255706

#SPJ4

The kinetic theory states the movement of the molecules in a matter. The particles of oxygen at low temperatures slow down and losses their kinetic energy.

The kinetic theory states the motion and speed of the molecule of a matter. The theory states about the molecules separated by distance moving in a random motion that is constant.

The particles of the matter collide elastically with each other and this speed and collision depend on the temperature and pressure applied. The kinetic energy is directly dependent on the temperature.

As the temperature of oxygen gas decreases the collision and the speed of the particles also reduce resulting in less kinetic energy. It also leads to a drop in pressure.

Therefore, at low temperatures, kinetic energy, collision, and speed decrease.

Learn more about kinetic theory here:

https://brainly.com/question/15013597

#SPJ2

Its is different because Iron-59 contains 33 neutrons. We also call it the same because it has 26 protons.

Due to its 33 neutrons, iron-59 differs from other iron isotopes. Due to the fact that all isotopes have 26 protons, they are all the same.

What are Isotopes?
Isotopes two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

Hence, Iron-59 is different form other isotopes of iron because it contains 33 neutrons. It is the same as other isotopes because they all contain 26 protons.

To learn more about Isotopes click on the given link,

https://brainly.com/question/14220416
#SPJ13

Answer:

DOUBLE DISPLACEMENT (mutual exachange of ions in aqueous form)

Ca is more reactive than Fe

hence it will displace Fe from ferrous nitrate solution and form Calcium Nitrate and Ferrous Sulphate will be formed

GOOD LUCK WITH THE FUTURE! :)

The initial temperature of the copper piece is estimated to be around 0.4198 degrees Celsius.

To find the initial temperature of the copper piece, we can use the principle of conservation of energy. The heat lost by the copper piece will be equal to the heat gained by the water.

To determine the amount of heat lost by the copper piece, we can employ the following formula:

Q = m * c * ΔT

Where Q is the heat lost, m is the mass of the copper piece, c is the specific heat capacity of copper, and ΔT is the change in temperature.

Given that the mass of the copper piece is 270.0 grams and the specific heat capacity of copper is 0.385 J/g°C, we can substitute these values into the formula:

Q = 270.0 g * 0.385 J/g°C * (initial temperature - final temperature)

Next, we calculate the heat gained by the water. We can use the same formula, but this time the mass and specific heat capacity will be for water:

Q = 300.0 g * 4.18 J/g°C * (final temperature - initial temperature)

Since the heat lost by the copper piece is equal to the heat gained by the water, we can set these two equations equal to each other and solve for the initial temperature of the copper piece.

270.0 g * 0.385 J/g°C * (initial temperature - 42.00 °C) = 300.0 g * 4.18 J/g°C * (42.00 °C - initial temperature)

Simplifying this equation will allow us to solve for the initial temperature of the copper piece.

270.0 g * 0.385 J/g°C * (initial temperature - 42.00 °C) = 300.0 g * 4.18 J/g°C * (42.00 °C - initial temperature)

Expanding and simplifying the equation, we get:

103.95 * (initial temperature - 42.00) = 5020.4 * (42.00 - initial temperature)

Now, let's solve for the initial temperature.

103.95 * initial temperature - 103.95 * 42.00 = 5020.4 * 42.00 - 5020.4 * initial temperature

103.95 * initial temperature + 5020.4 * initial temperature = 5020.4 * 42.00 + 103.95 * 42.00

5124.35 * initial temperature = 2150.168

initial temperature = 2150.168 / 5124.35

initial temperature ≈ 0.4198 °C

Therefore, the initial temperature of the copper piece is estimated to be around 0.4198 degrees Celsius.

Learn more about temperature at: https://brainly.com/question/27944554

#SPJ11

The use of stable oxygen isotopes in reconstructing ancient climates is a powerful tool that has contributed greatly to our understanding of past environmental changes. However, it is important to consider other factors that may influence the isotopic composition of precipitation and to use multiple lines of evidence when making interpretations about past climate conditions.

Stable oxygen isotopes (specifically, oxygen-18 and oxygen-16) are commonly used in reconstructing ancient climates because they can provide information about temperature and precipitation patterns.

1) Oxygen-18 is less abundant than oxygen-16 and has a slightly higher atomic mass. This means that it is preferentially incorporated into precipitation that forms at colder temperatures, such as snow and ice.

2) The ratio of oxygen-18 to oxygen-16 in carbonate minerals, such as those found in shells and corals, can also be used to reconstruct past temperatures. This is because the incorporation of oxygen isotopes into these minerals is influenced by both temperature and the isotopic composition of the water in which the organism lived.

3) Oxygen isotopes can also provide information about past precipitation patterns. For example, in regions where the dominant source of precipitation is from ocean evaporation, the oxygen isotope composition of precipitation can reflect the isotopic composition of the ocean water.

For such more questions on Oxygen isotopes:

https://brainly.com/question/160068

#SPJ11

substance should be added to the untreated water, according to reactions 1 and 2, if researchers want to improve the effectiveness of the chromium(vi) elimination procedure

A crucial trace mineral called chromium can increase insulin sensitivity and improve protein, glucose, and lipid metabolism. It is a lustrous metal that people only require incredibly little amounts of.

Some reports have linked chromium to sporadic irregular heartbeats, sleep issues, migraines, mood swings, and allergic reactions. Damage to the kidneys or liver may be made more likely by chromium. Never use chromium without first consulting your doctor if you suffer from kidney or liver illness.

To know more about chromium visit:

https://brainly.com/question/681602

#SPJ4

The element can be found in position 3

The elements in the periodic table are arranged in order of increasing atomic number (number of protons in the nucleus of an atom), from left to right and top to bottom. This arrangement is based on the periodic law, which states that the physical and chemical properties of elements are periodic functions of their atomic number.

The periodic table is divided into periods (horizontal rows) and groups (vertical columns). Each period corresponds to a different energy level (or shell) of the electrons in the atoms of the elements in that period, while each group corresponds to a similar electron configuration in the outermost energy level (or valence shell) of the elements in that group.

Learn more about the periodic table:https://brainly.com/question/11155928

#SPJ1

Answer:

plastic

Explanation:

The goodyear blimp is filled with nearly 203,000 cubic feet of Helium gas.

The helium inside the Goodyear blimp is considered to be an ideal gas.

The ideal gas law relates the pressure, volume, number of moles, and temperature to each other for an ideal gas, which is a reasonable assumption for the noble gases.

In such a case, all gases obey an equation of state known as the ideal gas law: PV = nRT, where n is the number of moles of the gas and R is the universal (or perfect) gas constant, 8.3144626 joules per kelvin per mole.

To know more about the ideal gas, here

brainly.com/question/14934878

#SPJ4

Answer:

I'd Go. B. weigh everything, let the reaction happen, then weigh everything again.

Answer:

C

Explanation:

Answer:

Intelligence Analysis in a Cycle. Analysis resides within the larger intelligence cycle. The intelligence cycle determines the daily activities of the Intelligence Community. It starts with the needs of the intelligence "consumers' such as policymakers, military officials, and other decision makers who need intelligence for their activities.

Explanation:

can i get brainlist

Answer:

The Intelligence Community's daily activities are determined by the intelligence cycle. It begins with the requirements of intelligence "consumers," such as policymakers, military officials, and other decision-makers who require intelligence to carry out their tasks.

Explanation:

Hope it helps

yeah same I'm bóred too -,-

Answer:

sure hi ...............................

Molecules are compounds that make covalent bonds between atom. In a covalent bond, the electrons from each atom invoved are shared between them, sticking the atoms together.

In ionic compounds, the electrons of each atoms are not shared, they are part of either of the ions. The ions sticke together because they are charged with opposite charges, so they attract each other.

So, ionic compounds are not considered individual molecules because they don't make covalent bonds, that is, their atoms don't shared electrons, they attract each other because of their opposite charges.

The Statement "All colors are transmitted through the drink except for blue which is absorbed by the drink." is correct on what happens to a light as it passes through a blue drink.

Light is a form of electromagnetic radiation that is visible to the human eye. It is a type of energy that travels through space in the form of waves and does not require a medium to propagate. Light is produced by the movement of charged particles and travels at a constant speed of about 299,792,458 meters per second in a vacuum.

When light passes through a blue drink, the liquid absorbs the blue portion of the spectrum and allows the other colors to pass through. This is because the blue pigment in the drink selectively absorbs the blue portion of the spectrum, which is why we perceive the liquid as blue. The other colors in the visible spectrum are transmitted through the drink and are not affected.

Learn about light here https://brainly.com/question/166544

#SPJ1