List 2 Homogeneous mixtures and explain how that are homogeneous

Choose the products that complete the reaction. The chemical equation may not be balanced. Al+H 2 SO 4? Al 2 (SO 4) 3 + H 2 O Al 2 (SO 4) 3 + CO 2 + H 2 OAl 2 (SO 4) 3 + H 2

Is petrol hard to make

State the aufbau principle.

A student produces carbon dioxide gas by heating calcium carbonate in a flask. She collects the gas by bubbling it into a test tube inverted in water. After filling the test tube, the student measures the pressure of the test tube's contents as 100.

How many atoms are there in 144g of sucrose, C12H22O11 or sugar molecules?

7. A 2.0 L container had 0.40 mol of He (g) and 0.60 mol of Ar (g) at 25°C. Which gas has a greater average kinetic energy? Which gas is traveling at a higher average speed? If Ar has an average speed of 431 m/s, what is the average speed of He?

Which of the following will allow more solute to be dissolved in a solvent? Choose all that apply. * Adding more solute Cooling the solution Agitating the solution Adding heat Using larger crystals

Calculate the average bond order for a p-o bond (such as the one shown in blue) in a phosphate ion.

Match the vocabulary terms to their definitions. 1. standard metric unit of length mass 2. a proposed explanation for a scientific problem hypothesis 3. standard unit of volume liter 4. the curved top surface of a liquid column control 5.

The speed at which any planet moves through space is constantly changing. In a perfectly circular orbit, the orbital radius of the planet would be constant and therefore so would be its observed angular velocity.