What is an open circuit?

Without a catalyst, a reaction may require very high temperatures in order to occur. How does a catalyst speed a reaction at low temperatures? It raises the amount of energy required to break chemical bonds.

If the concentration of cucl2 drops from 1.000 m to 0.655 m in the first 30.0 s of the reaction, what is the average rate of reaction over this time interval?

The label on a bottle of "organic" liquid fertilizer concentrate states that it contains 9.20 grams of phosphate per 100.0 ml and that 16.0 fluid ounces should be diluted with water to make 32.0 gallons of fertilizer to be applied to growing plants.

How many megagrams are there in 7.020 * 10^-10 nanograms

In Perugino's Christ Delivering the Keys of the Kingdom to St. Peter, the artist reminds the viewer of the link between Constantine, St. Peter, and the basilica of St. Peter. What element in the painting is that reminder?

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