Pair of substance that have properties entirely different from the atoms that make it up are

Why do goldfish in a crowded bowl have a better chance of survival in cold water than in warm water

What volume of 6.00 m naoh would be required to increase the ph to 4.93?

Is a water molecule the smallest unit of water that has the properties of water

Dissolving NaOH (s) in water is exothermic. Two calorimetry experiments are set up. Exp 1: 2 g of NaOH are dissolved in 100 mL of water Exp 2: 4 g of NaoH are dissolved in 200 mL of water. Which of the following is true? A.

Object A has a temperature of 287 Kelvin, object B has a temperature of 374 Kelvin. In what direction will thermal energy flow?

Planck's constant is approximately equal to which of the following? The product of the uncertainties in electron position and electron momentum. The sum of the uncertainties in electron position and electron momentum.

Which is the MOST accurate description about how the different types of feedback mechanisms work

Which of the following equations violates the law of conservation of mass? A) 2Al + 6HCl yields 2AlCl3 + 3H2 B) Na2C2O4 + Pb (NO3) 2 yields PbC2O4 + 2NaNO3 C) AgNO3 + LiCl yields AgCl + LiNO3 D) 3Ca + 2Cr (NO3) 3 yields 3Ca (NO3) 3 + 2Cr

Which of the following is a true statement about energy? a. energy can be created and destroyed. b. energy is never created nor destroyed. c. energy is easily created, but cannot be destroyed. d. energy cannot be converted from one form to another.

What does a reaction rate tell you