136 grams of barium sulfate are used to make a 2.5 M solution. How many liters of water are needed?

What do you do with unused (excess) chemicals that are taken from reagent bottles?

What effect does the mno2 catalyst have on the rate of evolution of o2 gas?

Any change that alters a substance without changing it into another substance.

Describe the similarities and differences between the motion of particles in liquids and gases.

For a science experiment a student Road and mineral against a porcelain plate. The students has just performed a

Glycerin (C3H8O3) is a nonvolatile liquid. What is the vapor pressure of a solution made by adding 170 g of glycerin to 337 mL of H2O at 40.0°C? The vapor pressure of pure water at 40.0°C is 55.32 torr and its density is 0.992 g/cm3.

Which of the following is the best example of an object absorbing light? A black sweater in the sun B clean window in the sun C A curved mirror in the sun D A long shadow in the sun

What is true of all body except sex cells

If a man has a mass of 83 kilograms on Earth, what will the force of gravity on his body be on the moon? A. 4,880.4 N B. 135.6 N C. 813.4 N D. 318.5 N

Densities of solutions of sodium hydroxide and water at 20 °C are given by the equation: p 1.003 + 1.06Wao where p is the density of the solution in g/cm (grams of solution per cm3 of solution) and wNaOH is the weight fraction of sodium hydroxide.