A hydrate of CoCl2 with a mass of 6.00 is heated strongly, after cooling the mass of the anhydrate is 3.27g. how many grams of H2O were lost from the hydrate

You have an aqueous solution with a ph of 8.0. You add sodium chloride to a concentration of 1 gram per 100 milliliters. What happens to the ph?

A 2100 kg car is speeding up at 10 m/s2 down a 500m on-ramp to the highway. What is the force exerted on the car?

N2 (g) + 3H2-> 2NH3 (g) How many grams of ammonia (NH3) can be produced from the reaction of 28.0 g of N2 and 25.0 g of H2?

The Boy In The Striped Pajama Why does grandmother claim that father had come to harm during WW1?

Rewrite each percent as a fraction and decimal 56%

A 126-gram sample of titanium metal is heated from 20.0°C to 45.4°C while absorbing 1.68 kJ of heat. What is the specific heat of titanium?

What pressure (in atm) will a sample of o2 gas occupy at 100.0 ml, if o2 has a volume of 25.00 ml at 2.0 atm?

What happens when francium and nitrogen are mixed

Which type of chemical reaction occurs in 2KClO3 Right arrow. 2KCl + 3O2

An electrochemical cell is constructed using two half-cells: Al (s) in Al (NO2) 3 (aq) and Cu (s) in Cu (NO3) 2 (aq). The two half cells are connected by a KNO3 salt bridge and two copper wires from the electrodes to a voltmeter.