How many significant figures are in 8790.9

Convert 0.185mol sucrose (C12H22O11) into grams.

If the temperature of an object is 335 K, how would this be expressed on the Celsius scale? A. 273 C B. 608 C C. 37 C D. 62 C

If 832J of energy is required to raise the temperature of a sample of aluminum from 20.0°C to 97.0°C, what mass is the sample of aluminum? (The specific heat of aluminum is 0.90 J / (g * °C).) 0.10 g 10.0 g 12.0 g 57.7 g

Copper is more reactive than calcium. True or false?

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

The smallest part of a element that retains the properties of that element

What information can be learned from bloodstains at a crime scene?

1. A window washer does not want to change her position. What does she want the forces acting on her to be? A. small B. large C. balanced D. unbalanced 2. When an object that is moving slows down, which action must be occurring? A. balanced forces B.

Iridium ii phosphate monohydrate

Which of the following does not happen during a chemical change? Mass is gained. New compounds are formed. Old compounds are broken down. Bonds are broken.