Which of the following factors does not affect a reaction rate?

a. pressure

b. temperature

c. time

d. surface area

294 joules of heat is transferred to a 10.0 gram sample of silver at 25.0º C. What is the final temperature of the silver? The specific heat capacity of silver is 0.24 J/g∙°C.

A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound?

If the mass of a material is 96 grams and the volume of the material is 25 cm3, what would the density of the material be?

What volume of 0.305 M AgNO3 is required to react exactly with 155.0 mL of 0.274 M Na2SO4 solution?

Which direction does an object move if a force is applied to it?

As longitudional waves travel, particles in the medium are pushed together and then pulled apart. we call this

Which organelle would generate energy to power cellular activites

Which of the following occurs as water vapor cools in the atmosphere? condensation transpiration precipitation evaporation

What is a polyatomic ion? Consulting p. 117 in text, list the formulas and names of at least 10 polyatomic ions.

What is the ionic composition and osmolarity of "physiological saline" - the intravenous fluid drip you receive at a hospital?