When two atoms of 2h (deuterium) are fused to form one atom of 4he (helium), the total energy evolved is 3.83 × 10-12 joules. what is the total change in mass (in kilograms) for this reaction?

What is bromine+calcium iodide--> calcium bromide +iodine balanced

Match each state of matter with the statement that best describes it.

Jenny places a strip of ph paper into a solution. when she removes the ph paper, it has turned yellow-green. what should jenny do next to determine the ph of her solution? a. use a different testing method because the ph paper should not change colors b. place the ph paper into a machine that reads the ph of the solution c. compare the ph paper's color with the color of ph paper from another solution d. compare the ph paper's color with a chart of colors and ph ranges