What is the density of mercury if 205 mL has a mass of 2790 g; round your answer to the nearest 0.1 g/mL

Aluminum metal reacts with aqueous cobalt (II) nitrate to form aqueous aluminum nitrate and cobalt metal.

How many molecules are contained in 0.500 moles of hydrogen gas? A. 1.20 x 1024 molecules B. 6.02 x 10-23 molecules C. 3.01 x 10-23 molecules D. 3.01 x 1023 molecules

This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel refining) : Ni (CO4) A chemical engineer has determined by measurements that there are 9.6 moles of nickel in a sample of nickel tetracarbonyl.

Table sugar is not a mineral because: Select one: a. it is in crystal form. b. it is made of more than one element. c. it is not made by a geologic process. d. Its chemical composition is always changing.

Discuss how to separate a mixture of iron filings salt sand and wood chips

What is true of an acidic solution at room temperature?

Why does a higher concentration make a reaction faster? There are more collisions per second and the collisions are of greater energy. Collisions occur with greater energy. There are more collisions per second.

A property of metals is high thermal conductivity which is

Do exorthermic reactions make surrounding hotter?

What's a certain indicator that a molecule is polar?