PLS HELP 10 POINTS!! Round all values to the nearest whole number.
Find calcium (Ca) on the periodic table.
Calcium has protons, neutrons, and electrons.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Match the formula for the following compound:   magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o

A155.0 9 piece of copper at 182 °c is dropped into 2500 g of water at 23.9 °c. (the specific heat of copper is 0.385 1/9°c.) calculate the final temperature of the mixture. (assume no heat loss to the surroundings.)