The purpose of a scientific investigation is

In two or more complete sentences, explain how to calculate the amount of energy that is transferred when 150 g of cooper cools from 63.0 °C to 21.0 °C. Is the energy absorbed or released? The specific heat of copper is 0.387 J/g*°C.

Student B pushed on a cart against the wall with 500 N of force. The cart didn't move. How do u explain what happened?

What would be an example of a landform from magma? a. Hot springs c. Dome Mountains b. Lava plateau d. Shield Mountains

What conclusion can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? 1) - properties of elements are related to atomic numbers.

An unknown substance turns methyl orange solution red. This shows that the substance is a base. is water. is an acid. is an alkaloid.

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