What is a hypothesis?

A. analysis based on an observation.

B. a proposed answer to a question.

C. a conclusion based on analysis.

D. data gathering during an experiment.

In the example in the lesson, 0.10 mole of sodium chloride or magnesium chloride or aluminum chloride was added to one liter of water. How many moles of each chloride are in one milliliter of the respective solutions? Hint: There are 0.

What conditions are typical of the soil the deeper we dig into it

The volume of a fixed amount of gas is doubled, and the absolute temperature is doubled. According to the ideal gas law, how has the pressure of the gas changed? It has increased to two times its original value.

What energy resource doesnt pollute when used

You cut a piece of wood and sand it to make a model. What kind of change occurred? A. chemical change B. substance change C. phase change D. physical change

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda