How many oxygen atoms in 2NaOH?

How many grams of O2 are in a 5.0 mol of the element? A. 16 g B. 80 g C. 160 g

Two solutions, initially at 24.60°C, are mixed in a coffee cup calorimeter. When a 100.0 mL volume of 0.100 M AgNO3 solution is mixed with a 100.0 mL sample of 0.200 M NaCl solution, the temperature in the calorimeter rises to 25.30°C.

What is the smallest particle of an ionic bond

A 0.225 kg sample of tin initially at 97.5°c is dropped into 0.115 kg of water. the initial temperature of the water is 10.0°c. if the specific heat capacity of tin is 230 j/kg • °c, what is the final equilibrium temperature of the tin-water mixture

Which group on the periodic table contains only metals? A. the second group B. Along the top C. Along the bottom D. The last group

Which topic is not included in the study of physical geology A) How earth's mantle was formed B) how volcanoes are formed C) How soil erosion destroys farmland D) how earthquakes effect buildings

A block as a mass of 585 g and a volume of 13 cubic centimeters. What is its density, show your work

whwn placed in solution an inorganic substance dissociates completlt forming hydtogen ions and anions

Molarity of 11.0 L of a 2.8 M Ca (OH) 2 solution?

Identify the independent and dependent variables. Peter is conducting an experiment to see how much salt will dissolve in water as the temperature of the water is increased.