Cross out the spectator ions in the reaction of the aqueous solutions sodium carbonate and calcium chloride. The reaction forms an aqueous solution of
sodium chloride and a precipitate calcium carbonate.
2Na+ (aq) + Ca2+(aq) + 2C1-(aq) +CO32 (aq) - CaCO3(s) + 2Na+ (aq) + 2C1-(aq)

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?