In a balanced chemical reaction, the total mass of the products always equals the a. molar mass of the reactants. c. total mass of the reactants. b. atomic mass of the reactants. d. proportional masses of the reactants.

What is the difference in between Chemical weathering and Mechanical weathering?

4. What ways can you become immune to a specific virus?

Write in the number of lone pairs or atoms to complete each description below. A molecule that has a trigonal-planar shape has lone pairs A molecule that has a bent shape and a trigonal-planar electron domain shape has lone pairs.

Gina's group classified their mineral samples based on relative hardness. They considered the minerals that have a hardness of less than five as relatively soft, and those with a hardness of five or above as relatively hard.

Calculate the change in the enthalpy and the change in entropy when 1 mole of sic is heated from 25 ° c to 1000 ° c. the constant pressure molar heat capacity of sic varies with temperature as

One important factor in any chemical synthesis is the actual quantity of desired product obtained compared to the theoretical amount predicted on the basis of the stoichiometry of the reaction.

In the old west, a cowboy would put their ear on the railroad track to determine if a train was coming. Using this method, they could tell if the train was coming sooner than just listening for the train.

Is lead a mixture or pure substance? and is Paint a mixture or pure substance?

Which of the following is NOT a factor in determining how quickly a solute will dissolve into a solvent? A. temperature B. surface area C. agitation D. vapor pressure

Which state of matter would demonstrate the best ability to flow/pour? explain using the term particles