5) What is the mass of 67.5 L of nitrogen gas at STP? Hint: To solve this problem, you will also need to calculate the molar mass of nitrogen gas AND complete a two-step dimensional
analysis conversion.
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Which terms are used to identify pure substances