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3 years ago

Of sulfuric acid, carbonic acid, nitric acid, and hydrochloric acid, which one is considered a weak acid

Chemistry

2 answers:

Kay [80]3 years ago

6 0

Answer:

nitric acid is considered as a weak acid

Charra [1.4K]3 years ago

4 0

The strong acids are hydrochloric acid, nitric acid, sulfuric acid, hydrobromic acid, hydroiodic acid, perchloric acid, and chloric acid. The only weak acid formed by the reaction between hydrogen and a halogen is hydrofluoric acid

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At standard ambient temperature and pressure (SATP), a gas has density of 1.5328g/L. What is the molar mass of the gas?

ahrayia [7]

The standard ambient temperature and pressure are

Temperature =298 K

Pressure = 1atm

The density of gas is 1.5328 g/L

density = mass of gas per unit volume

the ideal gas equation is

PV = nRT

P = pressure = 1 atm

V = volume

n = moles

R= gas constant = 0.0821 Latm/mol K

T = 298 K

moles = mass / molar mass

so we can write

n/V = density / molar mass

Putting values

$Pressure=\frac{nRT}{V}=\frac{massXRT}{VXmolarmass}$

$Pressure=\frac{densityXRT}{molarmass}$

$molarmass=\frac{densityXRT}{Pressure}=\frac{1.5328X0.0821X298}{1}=37.50$

Thus molar mass of gas is 37.50g/mol

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4 years ago

Products for combustion<br>

V125BC [204]

Answer:

Carbon Dioxide

Carbon Monoxide

Sulfur Dioxide

Nitrogen Oxides

Lead

Particulate Matter

Explanation:

7 0

2 years ago

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The cell membrane responds to chemical signals from other cells A) true B) false

nataly862011 [7]

The answer would be A)true

8 0

4 years ago

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What is the main reason that Absolute Zero has not been achieved under laboratory conditions?

Alexeev081 [22]

Answer:

The reason is because Charle's Law which states that volume is directly proportional to temperature. So, for the temperature to be absolute zero, there would need to be no volume. It's Impossible.

Explanation:

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4 years ago

A sample of 0.500 mol of hydrogen has a pressure of 3.00 atm and a

sergey [27]

Answer:

The volume is 10,92 L

Explanation:

We use the formula PV=nRT:

V= (nRT)/P

V= (0,500 mol x 0,082 l atm/K mol x 799 K)/3,00 atm

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3 years ago