All categories

3 years ago

Im so alone and i really need friends and maybe more pls dont delete my quiestion

Chemistry

1 answer:

balandron [24]3 years ago

6 0

Answer:

I'll be your friend!

Explanation:

If you need help with anything just ask!

You might be interested in

Fill in the blanks rigids have ..... volume and.....

lianna [129]

Jojo is this really u

8 0

4 years ago

Consider the following balanced equation for the following reaction:

balandron [24]

<u>Answer:</u> The amount of carbon dioxide formed in the reaction is 47.48 grams

<u>Explanation:</u>

For the given chemical equation:

$15O_2(g)+2C_6H_5COOH(aq.)\rightarrow 14CO_2(g)+6H_2O(l)$

To calculate the actual yield of carbon dioxide, we use the equation:

$\%\text{ yield}=\frac{\text{Actual yield}}{\text{Theoretical yield}}\times 100$

Percentage yield of carbon dioxide = 83 %

Theoretical yield of carbon dioxide = 1.30 moles

Putting values in above equation, we get:

$83=\frac{\text{Actual yield of carbon dioxide}}{1.30moles}\times 100\\\\\text{Actual yield of carbon dioxide}=\frac{1.30\times 83}{100}=1.079moles$

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

Molar mass of carbon dioxide = 44 g/mol

Moles of carbon dioxide = 1.079 moles

Putting values in above equation, we get:

$1.079mol=\frac{\text{Mass of carbon dioxide}}{44g/mol}\\\\\text{Mass of carbon dioxide}=(1.079mol\times 44g/mol)=47.48g$

Hence, the amount of carbon dioxide formed in the reaction is 47.48 grams

8 0

4 years ago

Please help this will help my grade a lot

vladimir1956 [14]

Answer:

a- customary systems..

3 0

3 years ago

Why do solids have a fixed shape and fixed volumes ?

Artist 52 [7]

Because their atoms and molecules are held together firmly by the strong inter molecular forces

6 0

3 years ago

Energy flows from the plankton to a number of other organisms when the plankton are eaten. Describe how the decrease in plankton

PIT_PIT [208]

Less plankton would mean that all the organisms that eat plankton would start to die off because they have no source of energy.

7 0

3 years ago