Because all the atoms are still present after a chemical change one can conclude that

What is one advantage of using a computer over a graphing calculator? Computers are more useful for quick calculations. Computers are easier to transport to remote locations. Computers have lower power consumption.

In 1945, the United States dropped an atomic bomb on the Japanese cities of Hiroshima and Nagasaki. This is an example of negatively affecting history. experimentation science scientific method

A solution in a dish contains 4.0 grams of salt dissolved in 100 grams of water. If 50 grams of the water evaporate, this is evidence that the solution is Question 5 options: A. a compound B. conserving mass C. an elementD. a mixture

False: The highest oxidation state for hydrogen in this reaction is 0 False: The oxidation state of chromium in dichromate is 3. False: The iron half-reaction takes place in an acidic solution. True: The oxidation state of oxygen does not change.

How do you calculate the enthalpy of formation of butaine

Which subatomic particle identifies an atom as that of a particular element? how is this particle related to the atoms atomic number

Which of the following prefixes means seven

Which of the solutions below is a weak electrolyte? nacl (aq) koh (aq) hcl (aq) h2so3 (aq) all of these?

What is the gram formula mass of Ca (OH) 2

How much heat is absorbed by a 37g iron skillet when its temperature rises from 8oC to 24oC?