Answer:

Explanation:
Density is found by dividing the mass by the volume.

The mass of the object is 11 grams and the volume is 13 milliliters.

Substitute the values into the formula.

Divide.

Round to the nearest hundredth. The 6 in the thousandth place tells us to round the 4 to a 5.

The density is about <u>0.85 grams per milliliter.</u>
Moles = mass/molar mass, so n(C2H6O)= 16.0 / (12+12+(1x6)+16)
=0.348 (to correct sig figs)
Answer:
D is the answer because I think it is right plus I know they don't use two off them
Answer:
Thermal energy in the form of heat moved from the fire to the skewer and marshmallow.
Explanation:
He holds a marshmallow on a metal skewer over a fire. A few seconds late, the marshmallow is cooked and the skewer feels warm.
Smaller atoms and stronger bonds promotes greater hardness in minerals.