Convert 78.9 kJ into calories Can you also explain how pls? ty

Chemistry

1 answer:

Naddik [55]3 years ago

3 0

Explanation:

1 kJ = 238.85 cal and

1 cal = 0.004187 kJ

so it will be 78.9×238.85 = 18,844 calories

78.9 Kilojoules (kJ) = 18,844 Calories (IT) (cal)

You might be interested in

True or False: All cells have different basic chemical composition. * True False

34kurt

True the answer is true lol

8 0

3 years ago

Read 2 more answers

When you walk, you push against the floor, and _________.

Taya2010 [7]

When you walk, you push against the floor, and the floor pushes back against you.

Answer: B. The floor pushes back agaisnt you.

Good luck with your studies, I hope this helps~!

7 0

3 years ago

How many moles are present in 1.75 g of zinc sulfate, Znso, ?

Cerrena [4.2K]

Explanation:

We assume you are converting between grams ZnSO4 and mole. You can view more details on each measurement unit: molecular weight of ZnSO4 or mol This compound is also known as Zinc Sulfate. The SI base unit for amount of substance is the mole. 1 grams ZnSO4 is equal to 0.0061941519772353 mole.

7 0

3 years ago

Which of the following is not a compound? Cl CO2 NaCl HCl

Ahat [919]

The one that is not a compound is Cl

5 0

3 years ago

Aluminum has a face-centered cubic unit cell. How many atoms of Al are present in each unit cell

Serjik [45]

Answer:4

Explanation:

As shown in the image attached, a face-centred cubic structure has 8 atoms at the corners and 6 face center atoms.

Each corner atom contributes to eight cell, so per unit cell 1/8 ×8 =1atom

Face center atoms contributes to two unit cells 1/2 × 6=3atoms

Total atoms =3+1=4atoms

Therefore the atoms in Al FCC per unit cell is 4

7 0

3 years ago