Give one example of a closed system

What is the molarity of a solution that contains 75.0 g of KNO, dissolved in 0.350 L of solution?

Which dinosaur was able to hold its prey in its mouth firmly due to teeth that curved backward?

How many moles of Li3PO4 are in 2.2 L of a 0.6 M solution of Li3PO4? (remember Molarity=moles of solute/liters of solution)

0.005 mg/l is the maximum concentration of cadmium allowed in drinking water. what is the molarity of the water that contains the maximum concentration of Cadmium allowed?

Which of the following are likely to form a covalent bond? A) gold and gold. B) oxygen and oxygen. C) magnesium and oxygen. D) magnesium and gold

When balancing a chemical equation, the number of h atoms in 2 ch4 is eight?

What would be the total mass of the products of a reaction in which 25 grams of table salt decomposes into the elements sodium and chlorine?

The nucleus of a Helium atom has a charge equal to twice the proton's charge. Let FN denote the magnitude of the force the Helium nucleus exerts on one of the electrons in a Helium atom, and let Fe denote the magnitude of the force one electron in

What can you say about the past four decades?

Calculate the percent yield for the reaction above if 25.0 grams of H2SO4 was actually produced and the theoretical yield was predicted to be 42.0 grams. (% yield = Actual / theoretical x 100) SO3 (g) + H200 H2SO4 (9) O 59.5 O 168 O 0.595 O 1.68