How does Elnora feel about her future? A) She takes one day at a time. B) She is apprehensive and anxious. C) She is optimistic and open-minded. Eliminate D) She is confident and has already made plans.

According to one acid-base theory, an acid is an (1) H + acceptor (2) H + donor (3) OH - acceptor (4) OH - donor

scientist know that all living things, from the smallest bacterium to the largest blue whale, are made of cells. why is this a scientific consensus

Which organelle do you think is the most important and why

Use ideas about electronic structure to explain why the noble gases are unreactive.

Which element is most likely to bend without breaking? carbon (C) iodine (I) silicon (Si) cobalt (Co)

A container with a volume of 3.46 liters contains a gas at a pressure of 1.30 atmospheres and a temperature of 274.27 Kelvins. How many moles of gas are in the container?

Benzene, C6H8, has an enthalpy of fusion = 10.19 kJ/mol. Calculate the amount of energy which is needed to change 88.0 g of solid benzene at 5.53°C into liquid benzene, also at 5.53°C?

What is the H3O + ion concentration of a solution that has an OH - ion concentration of 1.0 * 10^-3M? A) 1.0 * 10^-3M B) 1.0 * 10^-7M C) 1.0 * 10^-11M D) 1.0 * 10^-14M

Given the following chemical reaction: 2 O2 + CH4 CO2 + 2 H2O In the reaction of 6 moles of CH4 with excess oxygen, how many moles of water could be produced? 6 C 12.01 Carbon 1 H 1.01 Hydrogen 8 O 16.00 Oxygen A. 4 B. 6 C. 8 D. 12

Most mutagens have what kind of an effect on an organism?