Which of the following would most likely result in an increase in reaction rate? placing the reactants on a hotplate

placing the reactants in an ice bath

placing the products in an ice bath

Xenon gas measure pd to start sith s volume of 15.5kL. If the the volume changes to the 0?6kL and the pressure becomes 44 Pa, what was the original pressure? Read carefully!

A runner has a mass of 75 kg and a speed of 10 m/s. What is her kinetic energy? (KE = 1/2mv2)

Which can be used to prevent initial entry of bacteria into the body

Give two possible reasons why using tap water instead of distilled water could give misleading or unexpected results when making solution.

Write and balance a complete chemical reaction equation for the combustion of butane. Butane has carbon atoms. Butane has hydrogen atoms. Butane is considered. Which compound is needed for the complete combustion of butane

A hot meal plate at 150 has been placed in air at room temperature. Which event would most likely take place over the next few minutes

What is the molarity of solution that contains 5.80 grams of nickel nitrate, ni (no3) 2 in 500. ml?

Hydrogen has three isotopes with mass numbers of 1, 2, and 3 and has an average atomic mass of 1.00794 amu. This information indicates that 1. equal numbers of each isotope are present 2. more isotopes have an atomic mass of 2 or 3 than of 1 3.

Describe the process of how visible light is produced

Which of the following contains both ionic and covalent bonding? CH4 NaCl NH4Cl N2O4 If the formula for a compound is represented by X2Y3 and the charge on the Y ion is - 2, what is the charge in the X ion? +1 +2 +3 +4