Given the balanced equation, calculate the mass of product that can be prepared from 2.36 g of zinc metal.

2Zn + O2 2ZnO

At around 1510 º C, solid iron changes to its liquid form. This is an example of Freezing Melting sublimation boiling

Which scientist established the law of octaves? A. Antoine Lavoisier B. Dmitri Mendeleev C. Henry Moseley D. John Newlands

How do you measure moles

Write the composition of aqua Regia

Which of the following is an example of chemical energy being released or stored? A. The wind blows a kite through the sky. B. The water in a river moves small rocks and sticks. C. A coal power plant releases energy when coal burns. D.

Using the kinetic theory what happens to oxygen particles as they are cooled

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a

Give reason: a. Fractionating columns with beads are used for fractional distillation b. Crystallisation is a better technique than evaporation

How can a gardener remedy soil that is overly acidic?