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2 years ago

The chemical formula for methanol is: Calculate the molar mass of methanol. Round your answer to decimal places.

Chemistry

1 answer:

miss Akunina [59]2 years ago

8 0

Answer:

<h3>CH3OH (Methanol)</h3>

MM = 12 + 8 + 16 = 36u

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How many total moles of ions are released when the following sample dissolves completely in water? Enter your answer in scientif

Katena32 [7]

<u>Answer:</u> The number of moles of strontium bicarbonate is $7.5\times 10^{-9}mol$

<u>Explanation:</u>

Formula units are defined as lowest whole number ratio of ions in an ionic compound. It is calculate by multiplying the number of moles by Avogadro's number which is $6.022\times 10^{23}$

We are given:

Number of formula units of $Sr(HCO_3)_2=4.55\times 10^{15}$

As, $6.022\times 10^{23}$ number of formula units are contained in 1 mole of a substance.

So, $4.55\times 10^{15}$ number of formula units will be contained in = $\frac{1}{6.022\times 10^{23}}\times 4.55\times 10^{15}=7.5\times 10^{-9}mol$ of strontium bicarbonate.

Hence, the number of moles of strontium bicarbonate is $7.5\times 10^{-9}mol$

5 0

3 years ago

a bowl of cereal is at a temperature of 62 fahrenheit then the bowl of cereal thermal energy decreases as soon as mass or not ch

rewona [7]

<h3>Answer:</h3>

53 fahrenheit

<h3>Explanation:</h3>

Temperature is a measure of thermal energy. It goes down when thermal energy decreases. Of your choices, the temperature lower than 62 °F is 53 °F.

8 0

3 years ago

Help me pls I’m lost if you know it pls answer it thank you

Leokris [45]

Answer:

Thats all i can think of Hope this helped

Explanation:

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8 0

3 years ago

How to balance the question?

umka21 [38]

Answer:

CH4 + 2O2 —> CO2 + 2H2O

CH4 + 2O2

C = 1

H = 4

O = 2 ×2 = 4

__o_o___

CO2 + 2H20

C = 1

H = 2 × 2 = 4

O = 2 + 2 = 4

So ; 1 C , 4 H , 4 O

I hope I helped you^_^

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2 years ago

When weather starts to average out in a pattern over many years, like 30 years, scientists can calculate the average weather con

meriva

Answer:

the earth is different in all places

Explanation:

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2 years ago