A compound with the empirical formula CH20 was found to have a molar mass between 89g and 91g. What is the molecular formula of the compound?

You may recall that the products of the complete combustion of a hydrocarbon are water vapor and carbon dioxide gas. Write the balanced equation showing the combustion of methane.

Is C2Cl6 a dipole dipole

Which of the statements about elements is true? 1. No two elements have the same kind of atom. 2. Scientists have identified a little less than 100 elements. 3. The atoms of all elements have the same mass and volume. 4.

Calculate the molarity of each of the following solutions. (a) 7.49 g of methanol (CH3OH) in 1.50 * 102 mL of solution: (b) 9.18 g of calcium chloride (CaCl2) in 2.20 * 102 mL of solution: (c) 6.51 g of naphthalene (C10H8) in 85.

What noble gas should be used to write the shorthand of te?

Where should you keep your glass of soda if you want it to remain fizzy

Why do the atoms in a piece of copper metal have no net charge? -The charges of the positive and negative copper ions cancel each other out. -The number of electrons surrounding each copper nucleus doesn't change.

In a closed system, the total heat given off by warmer substances equals the total heat energy gained by cooler substances (qwater = - qliquid).

What compound will not give oxygen on heating

Choose one property of water that makes it unique. Describe the property and explain the chemical or physical?