The chemical formula for water is H2O which means that every molecule of water has 2 atoms of hydrogen
Answer:
you have to attach the diagram
Explanation:
Answer:
Explanation:
The formula of density is:
If the formula is rearranged for volume, it becomes:
The mass of the platinum is 38.5 grams.
The density is 21.5 grams per cubic centimeter.
Substitute the values into the formula.
Divide. Note that the grams (g) will cancel each other out.
Round to 2 decimal places (hundredth place). The 0 in the thousandth place tells us to leave the 9 in the hundredth place.
The volume is about <u>1.79 cubic centimeters.</u>
First you need to convert kiloJoules to Joules
1 kJ is 1000 J
1500kJ *1000J == 1500000 J
Then 1500000J * 1Cal/4.18 J == 358851.6746 calories