Water has a heat of fusion of about 400 J/gram and a heat capacity for ice of about 2 J/gºC. How much heat is needed to warm 100 grams of ice from -50°C until it has all become liquid water at 0°C? 5 kJ
50 kJ
40 kJ
41 kJ​

Amonoprotic acid is an acid that donates a single proton to the solution. suppose you have 0.140 g of a monoprotic acid dissolved in 35.0 ml of water. this solution is then neutralized with 14.5 ml of 0.110 m naoh. what is the molar mass of the acid?

The modern periodic table has groups.

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol