2 years ago

Which of the following is a metal?

Chemistry

1 answer:

kogti [31]2 years ago

3 0

Answer:

A.................. I think the answer

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Determine the mass of oxygen necessary to react with 2.3 moles of HCl

Orlov [11]

4HCl + O₂ → 2Cl₂ + 2H₂O

mole ratio of HCl : O₂ is 4 : 1

∴ if moles of HCl = 2.3 mol

then mol of O₂ = 2.3 mol ÷ 4
= 0.575 mol

mass of O₂ = moles of O₂ × molar mass of O₂
= 0.575 mol × (16 × 2) g/mol
= 18.4 g

5 0

3 years ago

Assuming the materials don't mix, show how the materials would "stack up" in a graduated cylinder. (Based on their densities) (J

o-na [289]

Explanation:

air

wood

ice

corn oil

water

glycerin

rubber

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I believe?

6 0

2 years ago

In a certain chemical process, water reacts with a compound, and the water is converted into another compound during the reactio

gtnhenbr [62]

Answer:

hydration reaction

Explanation:

The type of reaction would be hydration reaction.

<u>Hydration reaction generally involves a chemical reaction of water with another reactant and in which the water ends up being converted to another product entirely. </u>

A good example of hydration reaction is the reaction between alkene and water leading to the production of alcohol.

$CH_2=CH_2(g) + H_2O(g)$ ⇄ $CH_3CH_2OH(g)$