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Gelneren [198K]

2 years ago

13

Please help Show your work

1 answer:

Yuliya22 [10]2 years ago

6 0

Answer:

21

Explanation: 2+1=21

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Explanation:

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3 years ago

Confused on this question

kotegsom [21]

Answer:

The second option

Explanation:

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2×2Fe = 4Fe. Both sides have 4 Fe's

2x3 O = 3x2 O Both sides have 6 O's

3x1C = 3 C Both sides have 3 C's

3 0

3 years ago

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qwelly [4]

Answer:

here you go

Explanation:

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3 years ago

The molecular weight of acetic acid is

kolezko [41]

Answer:

60.052 grams per mole

8 0

4 years ago

Suppose that a person eats a diet of 2391 Calories per day.a.) Convert this energy into J. Express your answer using four signif

alekssr [168]

Explanation:

(a)

The given data is:-

Energy = 2391 Calories

The conversion of calories to J is shown below as:-

1 calorie = 4.184 J

So,

Energy = 4.184 * 2391 J = 10003.944 J

Answer in four significant digits: - $1.000\times 10^4\ J$

(b)

The conversion of calories to kJ is shown below as:-

1 calorie = 0.004184 kJ

So,

Energy = 0.004184 * 2391 kJ = 10.003944 kJ

Answer in four significant digits: - $1.000\times 10\ kJ$

(c)

The conversion of calories to kWh is shown below as:-

1 calorie = $1.1622\times 10^{-6}$ kWh

So,

Energy = $1.1622\times 10^{-6}\times 2391$ kWh = 0.002778873 kWh

Answer in four significant digits: - $0.002779\ kWh$

8 0

4 years ago