~~20 points~~ What is the mass number of an element which has 43 protons, 46 neutrons, and 43 electrons? a. 132

b. 3

c. 86

d. 83706

e. 89

f. -46

g. there is not enough information given to correctly answer the question

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?