How much heat is evolved when 22.5 grams of a food sample changes the temperature of 0.42 kg of water by 4.4 degree C. Assume specific heat to be 4.18 J/g/C

A galaxy type that is spherical or oval in shape

8. Which describes the reaction of a substance to form one or more new substances A a chemical change B a physical change C a change of state

Barium nitrate reacts with aqueous sodium sulfate to produce solid barium sulfate and aqueous sodium nitrate. abigail places 20.00 ml of 0.500 m barium nitrate in a flask. how many grams of barium sulfate will be produced?

What was the normal perception of a scientist up until the seventeenth century?

What is entropy Disorder of a system Order of a system Disorder of a surrounding Order of a surrounding

How can I balance this equation __NH4NO3->__N2+__H2O

If a plane is traveling300 mph how long will it take to travel 1800 miles

How do you get friends

Determine the number of grams of NaCl necessary to make up 100 mL of a 0.10 M solution. 0.017 g 0.58 g 1.7 g 58 g

What causes an increase in the average global temperature?