What is the mass of exactly 1 mol of the following elements osmium, Cesium, krypton

What type of bond forms between two oxygen atoms?

Define A, Z, and X in the following notation used to specify a nuclide: AZX. Check all that apply. (A) Z is the mass number (number of protons - neutrons). (B) A is the chemical symbol of the element. (C) Z is the chemical symbol of the element.

How many moles of Iodine are found in 50.0g of Iodine?

if the length of a single carbon-carbon bond is 154pm and the length of a double carbon-carbon bond is 133pm, what length would be expected for the carbon-carbon bonds in benzene.

The isomerization of 3-phosphoglycerate (3PG) to 2-phosphoglycerate (2PG) has a ΔG°' = + 4.4 kJ/mol. If [2PG] = 4.0 mM and [3PG] = 22.2 mM, in which direction will the reaction move to reach equilibrium at 37°C?

When 17.0 grams of an unknown metal is cooled from 35.0°c to 10.0°c it releases 862 joules of energy. what is the specific heat capacity of the unknown metal?

Calculate the resulting ph obtained by mixing 16.5 g hcl and 22.6 g nacl in water to create 482 l solution.

What is the ph of an aqueous solution with [h3o+] = 4*10-13 m?

What are called protons? give examples?

How many grams are in 3 moles of Nal?