Urea (CH4N20) is a common fertilizer that can be synthesized by the reaction of ammonia (NH3) with
carbon dioxide as follows:
Determine the limiting reactant.
Express your answer as a chemical formula.
2NH3(aq) + CO2(aq) + CH4N20(aq) + H2O(1)

In an industrial synthesis of urea, a chemist combines
139.2 kg of ammonia with 211.4 kg of carbon dioxide and
obtains 162.2 kg of urea.

Determine the limiting reactant

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

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

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?