What is a chemical reaction

Four gases were combined in a gas cylinder with these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm He. What is the total pressure inside the cylinder? 6.7 atm What is the mole fraction of N2 in the mixture? 0.

Can some balance the equation? FeBr3 + H2SO - -> Fe2 (SO4) 3 + HBr

According to your textbook, how many of the following are properties of covalent compounds: a. * Can be gas, liquid or solid at room temperature b. * Does not conduct electricity c. * Exist as an extended array of atoms d.

To what volume should you dilute 60.0 mL of a 4.50 M KI solution so that 30.0 mL of the diluted solution contains 3.25 g of KI?

What characteristic best describes the jet stream

If 3 g of element C combine with 8 g of element D to form compound CD, how many grams of D are needed to form compound CD2?

An easy way to assign the number of d-electrons (the “d count”) in a transition metal ion is to first look at the periodic table and take note of which group the element is in.

A basketball weigh more after it was inflated with air then when it was deflated how does this show that gas is matter

When was Magnesium discovered and how or who discovered it

Consider these statements regarding the body's inability to convert fat to carbohydrates. Select each statement that is true. 1. Acetoacetate is a normal, major energy source for the brain, heart muscle, and renal cortex. 2.