3. What are vaccines? Are there different types?

Fill in the coefficients that will balance the following reaction: a0SrCl2 + a1Li3PO4 → a2Sr3 (PO4) 2 + a3LiCl

Calcium reacts with water. This reaction is represented by the balanced equation below. The aqueous product of this reaction can be heated to evaporate the water, leaving a white solid, Ca (OH) 2 (s).

A gas occupies 12.3 l at a pressure of 40 mm hg. what is the volume when the pressure is increased to 60 mm hg

What do we call water vapor in the air

If a neutral atom of chlorine has 17 electrons and 18 neutrons, how many protons does it have?

Do metals form anions or cations

Which of the following gases in Earth's atmosphere would you expect to find as molecules and which as individual atoms? a. Nitrogen b. Oxygen c. Argon

You just found a metallic object in a creek bed. From the following tests and Figure 2, determine what it is. 96.5g will balance the object. Its mass is g. The object displaces 5 mL of water. Its volume is cm 3. The density of the object is g/cm 3.

Extend your thinking: Why do you think the temperature does not change much during a phase change? If possible, discuss your answer with your classmates and teacher.

Which bond has the least degree of polarity? K-o Li-o No-o Rb - 0