Use chemistry in a sentence not love chemistry science chemistry

The density of liquid mercury is 13.69 g/cm^3. How many atoms of mercury are in a 15.0 cm^3 sample? Use "E" for "x10" and use sig figs.

A 1.0 g sample of hydrogen reacts completely with 19.0 g of fluorine to form a compound of hydrogen and fluorine. What is the percent composition by mass of hydrogen in this compound?

Which is bigger: Water molecules or carbon dioxide : Carbon dioxide or nitrate :Water molecules or nitrate

The dimensions of a cupboard are 1.31 m wide by 0.9 m long by 1.70 m tall. What is the volume of the cupboard, taking significant figures into account? . m3

Most of the wood used for fuel comes from native forests around the world. The harvesting of wood for an energy source has serious environmental implications. Identify the environmental concerns of harvesting wood.

How do you convert the number of molecules of a substance to the number of moles? a. add Avogardo's number b. subtract Avogardo's number c. multiply Avogardo's number d. devide Avogardo's number

Give 3-5 pieces of evidence to support why cloning is bad.

Nitrogen combines with oxygen to form nitrogen monoxide (no) and nitrogen dioxide (no2). a sample of no consists of 1.14 g of oxygen and 1 g of nitrogen.

The modern periodic table reflects many improvements to Mendeleev's original table. If Mendeleev's table was incorrect, why is it still studied in chemistry classrooms today?

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