What is an example of a testable scientific question

Hydrogen sulfide, H2S (molar mass 34 g/mol), which smells like rotten eggs, and hydrogen cyanide HCN (molar mass 27 g/mol), which smells like bitter almonds. Both gases are poisonous.

In this experiment, you will use a track and a toy car to explore the concept of movement. You will measure the time it takes the car to travel certain distances, and then complete some calculations.

For the two balloons on the left, one is negative, the other could be ...

Which catalyzed reaction breaks up ozone?

Magnesium carbonate dissociates to magnesium oxide and carbon dioxide at elevated temperatures. MgCO3 (s) MgO (s) + CO2 (g) A reaction vessel contains these compounds in equilibrium at 300°C.

What are the characteristics of bones?

If 294 grams of FeS2 is allowed ti react with 176 grams of O2 according to the following equation how many grams of Fe2O3 are produced? FeS2 + O2 = Fe2O3 + SO2

Convert 3.57 moles of aluminum to grams

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?

Why scientist form a hypothesis