On the radtech board exam, is there are some tough questions? is it hard?

Heat is the amount of heat required to change the temperature of 1 gram of a substance by 1°c, and it is related to the chemical composition of the substance.

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?