A gas that has a volume of 28 liters, a temperature of 45 °C, and an unknown pressure has its volume increased
to 34 liters and its temperature decreased to 35°C. If I measure the pressure after the change to be 2.0 atm,
what was the original pressure of the gas?

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *