A gas contained in a steel tank has a volume of 1.5 L at a temperature of 390 K. What will be the volume when the temperature changes to 1470C? Group of answer choices

How many molecules of hypothetical substance b are produced when 29.9g of hypothetical substance a reacts? the molar mass of substance a is 15.7 g/mol?

If 11.7 g of aluminum reacts with 37.2 g of copper (II) sulfate according to the following reaction, how many grams of aluminum sulfate will be produced?

Be sure to answer all parts. Ammonia is a principal nitrogen fertilizer. It is prepared by the reaction between hydrogen and nitrogen. 3H2 (g) + N2 (g) → 2NH3 (g) In a particular reaction, 4.00 moles of NH3 were produced.

Which of the following elements is least likely to form a cation that will then form an ionic bond with an ion of a Group 7A element? A. K B. Rb C. Fr D. I

H + (aq) + oh (aq) yields h2o (l) + 55.8kj in this reaction there is conservation of

Which characteristic best identifies an Arrhenius base

Which statement correctly describes why a compound is a pure substance? O A compound is not a pure substance because each of its molecules is m elements A compound is a pure substance because its molecule cannot be broken O A compound is not a pure

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons?

A food web shows the easiest way to get the most energy out of a producer the path a producer has to take to reach the top of the web how all organisms are connected through energy all of the possible energy pathways through an ecosystem

What phase change is endothermic