2 years ago

Select the correct answer.

1 answer:

7 0

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If 7.4 moles of carbon dioxide is produced in this reaction, how many moles of oxygen gas would be needed?

Nimfa-mama [501]

Answer:

11.6 mol O₂

Explanation:

C₇H₁₆ + 11 O₂ → 7 CO₂ + 8 H₂O

In order to solve this problem we need to convert moles of carbon dioxide (CO₂) into moles of oxygen gas (O₂). To do so we'll use a conversion factor containing the stoichiometric coefficients of the balanced reaction:

7.4 mol CO₂ * $\frac{11molO_2}{7molCO_2}$ = 11.6 mol O₂

4 0

2 years ago

3,010,000 into scientific notation

skelet666 [1.2K]

Answer:

3.01 x 10 to the power of 6

Explanation:

Step 1

To find a, take the number and move a decimal place to the right one position.

Original Number: 3,010,000

New Number: 3.010000

Step 2

Now, to find b, count how many places to the right of the decimal.

3 0

2 years ago

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An atom has a mass number of 24 and 13 neutrons. what is the atomic number of this atom?

Elodia [21]

do ityou times 24×13=312.

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3 years ago

Jim can jog 800 m in 16 minutes. How many meters can he jog in a minute?

RSB [31]

Answer: 50 meters

Explanation:

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3 years ago

how can the temperature of a substance remain the same even if the substance is absorbing thermal engergy

olchik [2.2K]

When it changes phases energy is needednto break down the bonds so that is can change state from one phase to another.

8 0

2 years ago