2 years ago

Quick question plz . .....Which one of the following is acidic oxide?

Chemistry

1 answer:

dedylja [7]2 years ago

8 0

Answer:

Explanation:

its an acidic oxide, it disolves in water to form carbonic acid which is an acid

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Which phrase best describes activation energy? (1 point)

iren [92.7K]

Answer: the minimum amount of energy required to break bonds and start a chemical reaction

Explanation: got a 100% on the quick check

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1 year ago

The quantity of heat required to change the temperature of 1 g of a substance by 1°c is defined as

Lana71 [14]

Specific heat capacity, which is measured in J/g-°F

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2 years ago

Identify the spectator ions in the reaction that occurs between aqueous solutions of potassium hydroxide and hydrochloric acid

m_a_m_a [10]

Answer:

The answer is option A.

K+ Cl-

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2 years ago

A sample of gaseous methyl ether has a mass of 8.12g and occupies a volume of 3.96L at STP. What is the molecular weight of meth

Naya [18.7K]

Molar volume is when 1 mol of any gas occupies 22.4 L at STP.
Methyl ether has a mass of 8.12 g,
Volume occupied - 3.96 L
If 22.4 L occupied by 1 mol of gas
Then 3.96 L occupied by 1/22.4 x 3.96 = 0.176 mol of gas
The mass of 0.176 mol = 8.12 g
Molar mass is mass of 1 mol
Therefore mass of 1 mol = 8.12/0.176 = 46.1
Molecular weight is 46.1 g/mol

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2 years ago

Joan needs a 0.053-M solution of HCl, but only has access to 2.12-M HCl, a 10-mL graduated pipet, and a 25-mL volumetric flask.

dmitriy555 [2]

Answer:

Joan should measure 0.625 mL of 2,12 M HCl solution to create her desired solution.

Explanation:

Molarity of HCl Joan has access to = $M_1=2.12 M$