Refer to the example about diatomic gases A and B in the text to do problems 19 - 27.

How many grams of product are formed? (Remember the law of conservation of mass)

a) 17

b) 31

c) 34

d) 20

Compounds mixtures and elements

State, in terms of the pH scale, why this beverage is classified as acidic.

Why is a high tempertature needed to melt poptassium iodide

When CaCl2 and Zn react together, zinc (Zn) can replace chlorine (Cl) in the compound because zinc is higher on the periodic table.

What needs to occur to an atom of chlorine for it to turn into an ion with a negative 1 charge?

A sample of C3H8 has 4.64 * 1024 H atoms. How many carbon atoms does the sample contain?

What is the value of 200c on a Kelvin scale

Calculate the moles of new H₂ O₂ using the balanced formula below and the average moles of KMnO₄ from calculation #2. The average moles of KMnO₄ is 0.90mol. 2KMnO₄ + 5H₂O₂ + 3H₂SO₄ → K₂SO₄ + 2MnSO₄ + 8H₂O + 5O₂ Edit: I got 2.

How many grams of CaC2 would make 23.6g C2H2?

Shane performed the following trials in an experiment. Trial 1: Heat 30.0 grams of water at 0 °C to a final temperature of 40.0 °C. Trial 2: Heat 40.0 grams of water at 10.0 °C to a final temperature of 40.0 °C.