What is the mass in grams of 19.86 mL of acetone

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.