A gas has a volume of 300 mL at 300 mm Hg. What will its volume be if the pressure is changed to 500 mm Hg?

You have stock soultion of 6.0m HCL. how would dilute it in order to prepare 500ML of 2.0ml HCL

2H2+O2 2H2O. Calculate the moles of water formed when 14 moles of hydrogen react.

Which city had the highest temperature

Which of these is a unique property of bases? a. contains a carbon b. tastes sour c. conducts electricity in solution d. feels slippery

When a chemical reaction is at equilibrium, the concentration of each reactant and the concentration of each product must be (1) constant (2) variable (3) equal (4) zero

A piece of glass with a mass of 32.50 g specific heat of 0.840 J/g*°C and an initial temperature of 115 °C was dropped into a calorimeter containing 57 g of water (specific heat 4.184 J/g*°C).

Which of the following is the most likely description of the product or products of a double-displacement reaction? A) one new compound B) two new compounds C) oxygen and energy D) one new compound and an element

A balloon is filled with 12L of air at a pressure of 2 atm. What is the volume of ballon if the pressure is changed to 3 atm?

What ionic bond occurs between what particles? A. Two Negative Ions B. A positive and negative ion C. Two positive ions D. Two neutral atoms

Which of the following are good traits of a hypothesis? it will be able to be tested it can predict an outcome it will explain the observations all of these