3 years ago

Which acid and base react to form water and sodium sulfate?

Chemistry

1 answer:

joja [24]3 years ago

3 0

Answer:

acid: sulphuric acid (H2SO4)

base: sodium hydroxide (2NaOH)

Explanation:

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What does barium + hydrochloric acid make.

Brums [2.3K]

Answer:

Barium Di-chloride (BaCl^2). H^2 is released as a by-product in the form of a gas.

Explanation:

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3 years ago

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A gas of 3.4 moles occupies a volume of 0.046 L at 298 K. What is the pressure in kPa?

Phantasy [73]

Answer : The correct option is, $2.1\times 10^5kPa$

Explanation :

To calculate the pressure of gas we are using ideal gas equation as:

$PV=nRT$

where,

P = pressure of gas = ?

V = volume of gas = 0.046 L

n = number of moles of gas = 3.4

R = gas constant = 8.314 L.kPa/mol.K

T = temperature of gas = 298 K

Now put all the given values in the above formula, we get:

$P\times (0.046L)=(3.4mol)\times (8.314L.kPa/mol.K)\times (298K)$

$P=1.83\times 10^5kPa\approx 2.1\times 10^5kPa$

Therefore, the pressure of gas is, $2.1\times 10^5kPa$

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3 years ago

What is the mass of 8.90 moles of magnesium chloride, MgCl2?

Korolek [52]

No of moles of MgCl2 = weight of MgCl2 / Molecular weight of MgCl2 Weight of MgCl2 =moles of MgCl2 x molecular mass of MgCl2 = 8.90 x 95=845.5 gm

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3 years ago

In water, what happens to a base?

BartSMP [9]

A base in water will form hydroxide ions. This is because bases are AOH while acids are AH+. I hope this helps!

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4 years ago

What is the equation to calculate the volume of a cylinder?

Ira Lisetskai [31]

Answer:

the equation for cylinders is V = (pi)r2h

none of these are even close but i can do a little more research

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3 years ago