Classify ... use the periodic table to classify the elements potassium, bromine a d argon according to how likely their atoms lose electrons to form positive ions

The density of copper is 8.95g/cm3 and the density of zinc is 7.14 g/cm3, a sample of a cu-zn is 80.5 percent cu and 19.5 percent zn what is the density of the alloy?

What is the vapor pressure of water at 75°C?

A a black metal measures 2 cm x 3 cm x 2.5 cm if it's much is 67.5 grams calculate its density

The thermochemical equation for the reaction of carbon dioxide with sulfur dioxide is shown below. How can the reaction be described : co2 (g) + 2s0s (g) + 1104 kj - > cs2 (g) + 302 (g) a. it is exothermic b. has low activation energy c.

How many cubic centimeters (cm3) of olive oil have the same mass as 1.50L of gasoline?

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate

A5.00 liter ballon of gas at 25 degree Celsius is cool to 0 degrees Celsius. What is the volume (liters) of the ballon?

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C

Two gas jars are connected to each other, but they are separated by a closed valve. One gas jar contains oxygen, and the other is empty. What will happen when the valve is opened?