In a calorimeter, 6.68 kJ of heat was absorbed by 20 g of ice. What is the enthalpy of fusion of the ice? q=m∆ahf

Is cereal soup? and Is an hot dog a sandwich? ...

How might earth's atmosphere be compared to human skin?

Assign an oxidation number to each element in the reaction. CaF2 (s) + H2SO4 (aq) → CaSO4 (aq) + 2HF (g) In CaF2, the oxidation number of Ca is , and that of F is . In H2SO4, the oxidation number of H is , that of S is , and that of O is .

Why do they put flexible connections in the road on a bridge? Put it into five complete sentences

Wht is the solarsystem

What is the molarity of sucrose if 150.0 g is dissolved in 250.0 mL of solution

What are sister chromatids

Valence electrons are responsiblefor the makeup of chemical properties of elements true or false

For the reaction 6CO2 (g) + 6H2O (l) > C6H12O6 (s) + 6O2 (g), what mass, in grams, of glucose is produced from 3.00 moles of carbon dioxide?

Which of the following is a single-replacement reaction? A. CaCl2 + Na2CO3 CaCO3 + 2NaCl B. H2 + Cl2 2HCl C. 2AgNO3 + Cu 2Ag + Cu (NO3) 2 D. CH4 + 2O2 CO2 + 2H2O