Which statement I true for photosynthesis? A. Producers use it B. Consumers use it C. Scavengers use it D. Decomposers use it

How do carbon-12 and carbon-13 differ? Select all that apply. They have different amounts of neutrons. They have different atomic charges. They have different mass numbers. They have different amounts of electrons.

Based on the table, which do you think is larger - your direct water use or your indirect water use? direct water use indirect water use

The label on a bottle shows the following information: C2H4O, molar mass 44.06 grams per mole. The formula must be: a. the empirical formula only b. the molecular formula only c. the empirical formula and the molecular formula d.

The vapor pressure of pure water at 110 °C is 1070 torr. A solution of ethylene glycol and water has a vapor pressure of 1.00 atm at 110 °C. Assuming that Raoult's law is obeyed, what is the mole fraction of ethylene glycol in the solution? g

Some characteristics of each of the four states of matter are given in the table below. States of Matter State Are Particles Charged? Space Between Particles 1 No Very Low 2 Yes High 3 No High 4 No Low Which state of matter does State 4 represent? A.

Which factor does not influence the rate of a chemical reaction? A. the concentration of reactants B. the surface area of reactants C. the presence of a catalyst D. the volume of the container in which the reaction occurs

Air currents move objects in the air. Explain how a convection current might affect the flight of a hot air balloon

Compare atomic number, mass number, and atomic mass

How does mass affect thermal energy transfer?

Explain whether nitrogen atoms will form bonds with other atoms.