During the fission of uranium-235, neutrons are released and a small amount of mass is converted to energy. How many neutrons are in the nucleus of an atom of uranium-235? A. 92 B. 143 C. 235 D. 238

Write the formula used to convert degrees Celsius to kelvins

What is required to bring about a phrase change

How many moles of calcium hydroxide (ca (oh) 2) are in 165 grams of ca (oh) 2?

What is the specific heat capacity of a 17.5g sample of an unknown metal that releases 6700J of heat when it cools from 90 to 25 degrees C?

Which substance can not be broken down by a chemical reaction? (1) ammonia (3) methane (2) argon (4) water

Which isotope of nirtogen is more abundent?

What is the name of the group 8 elements and what makes them special?

Periodic Table question: In what family would you classify hydrogen? Why?

according to the third law if a football player hits another player with an action force of 1500n how much will the reaction force be

Suppose the fluid in the stomach of a man suffering from indigestion can be considered to be 200. ml of a 0.033 m hcl solution. what mass of nahco3 would he need to ingest to neutralize this much hcl