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4 years ago

What coefficients balance the equation: NH3 + H2O + NH4OH PLEASE HELP

Chemistry

1 answer:

Rainbow [258]4 years ago

8 0

Dont know how well educated you are on this topic, This is the right answer, But sorry if you dont understand it

NH3+H2O | NH4OH

____________________

N=1 | N=1

H=3+2=5 | H=4+1=5

O=1 | O=1

Hope this helped you and good luck :)

Hit me up if you need anymore help :))))

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If 25.0 ml of seawater has a mass of 25.895 g and contains 1.295 g of solute, what is the mass/mass percent concentration of sol

Romashka-Z-Leto [24]

The % mass/mass concentration of solute in the seawater sample is calculated as below

% mass = mass of the solute /mass of the solvent(sea water) x100
mass of the solute =1.295 g
mass of the solvent(sea water_) = 25.895 g

there the % mass = 1.295/25.895 x100 = 5.001 %

8 0

3 years ago

Some analytes must be derivatized to increase their column retention or detectability. Derivatization means Group of answer choi

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Derivatization means adding fluorescent labels or combining the analyte with chiral reagents or other chemicals to increase detectability.

Some analytes must be derivatized to increase their column retention or detectability.

Retention time can be referred to as the amount of time a solute spends in the stationary and mobile phases of a column.

Detectability is the ability of an analyte to get detected in the mobile phase of chromatography.

The refractometer, fluorescence detector, and UV detector are the three most popular liquid chromatography detectors. These detectors increase the detectability.

For derivatization, the fluorescence detector are used.

Learn more about derivatization

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3 0

2 years ago

Which physical property can be measured??

Nikitich [7]

Extensive property (like volume and mass), can be measured.

4 0

3 years ago

Read 2 more answers

Calculate the standard enthalpy of formation of carbon disulfide (CS2) from it's elements, given that C(graphite) + O2(g) → CO2(

ch4aika [34]

Answer:

Standard enthalpy of formation of Carbon disulfide CS2 = 87.3 KJ/mol

Explanation:

forming CS2 means that it should in the product side

C(graphite) + O2 → CO2 ΔH = -393.5

2S(rhombic) + 2O2 → 2SO2 ΔH = -296.4 x 2

CO2 + 2SO2 → CS2 + 3O2 ΔH = -1073.6 x -1

the second reaction is multiplied by 2 so that the SO2 and O2 can cancel out.

the third reaction is reversed (multiplied by -1) so that CS2 will be on the product side.

after adding the reaction and cancelling out similarities, the final reaction is: C(graphite) + 2S(rhombic) → CS2

Add ΔH to find the enthalpy of formation of CS2

ΔHf = (-393.5) + (-296.4 x 2) + (-1073.6 x -1) = 87.3 KJ/mol

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3 0

3 years ago

Coal can be converted to methane gas by a process called coal gasification. The equation for the reaction is the following: 2 C

zloy xaker [14]

Answer:

24 g of C are needed to produce 1mol of CH₄

Explanation:

The reaction is:

2C (s) + 2H2O (l) → CH4(g) + CO2 (g)

2 moles of carbon react with 2 moles of water in order to produce 1 mol of methane and 1 mol of carbon dioxide.

If we want to produce 1 mol of methane, we need 2 moles of C

Let's find out the mass → 2 mol . 12 g/1 mol = 24g

3 0

3 years ago