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3 years ago

CH3 CH,CCHCHCHCl OH Spell out the full name of the compound.

Chemistry

1 answer:

Degger [83]3 years ago

7 0

Answer:

CH3 – CH – CH – CH2 – CH – CH3

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CH3 CH2 CH3

CH3

Explanation:

3 - etil - 2, 5 - dimetilhexano

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A 0.539 g sample of a metal, M, reacts completely with sulfuric acid according to the reaction M(s)+H2SO4(aq)⟶MSO4(aq)+H2(g) A v

Charra [1.4K]

Answer:

The molar mass of the metal is 54.9 g/mol.

Explanation:

When we work with gases collected over water, the total pressure (atmospheric pressure) is equal to the sum of the vapor pressure of water and the pressure of the gas.

Patm = Pwater + PH₂

PH₂ = Patm - Pwater = 1.0079 bar - 0.03167 bar = 0.9762 bar

The pressure of H₂ is:

$0.9762bar.\frac{1atm}{1.013bar} =0.9637atm$

The absolute temperature is:

K = °C + 273 = 25°C + 273 = 298 K

We can calculate the moles of H₂ using the ideal gas equation.

$P.V=n.R.T\\n=\frac{P.V}{R.T} =\frac{0.9637atm \times 0.249L }{(0.08206atm.L/mol.K)\times298K} =9.81 \times 10^{-3} mol$

Let's consider the following balanced equation.

M(s) + H₂SO₄(aq) ⟶ MSO₄(aq) + H₂(g)

The molar ratio of M:H₂ is 1:1. So, 9.81 × 10⁻³ moles of M reacted. The molar mass of the metal is:

$\frac{0.539g}{9.81 \times 10^{-3} mol} =54.9g/mol$

4 0

4 years ago

What would you predict about a chemical that has a hydrogen ion concentration of 1×10 to the -12 power M

boyakko [2]

You can predict its acidity (pH).

The formula for pH is: pH = log { 1 / [H+] } = log { 1 / (1*10^-12) }

=> pH = log {10^12} = 12.

Remember that acids have pH between 1 and less than 7 and basic compounds have pH greater than 7 and less than 14.

So, you can predict that this product is a base (alkaline).

7 0

3 years ago

Answer this, please!!!!!!!!!!

mixer [17]

Answer:

It's C

Explanation:

Most garnet found near Earth's surface forms when a sedimentary rock with a high aluminum content, such as shale, is subjected to heat and pressure intense enough to produce schist or gneiss.

5 0

3 years ago

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Which term is used to describe the amount of heat that is required to convert 1 mol of a liquid to a gas?

pentagon [3]

Heat of fusion is the term that is used

6 0

3 years ago

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HELP! 100 points if you give a valid answer and brainliest if it's detailed!

Anni [7]

Explanation: