Answer:
When a gas occupies a smaller volume, it exerts a higher pressure; when it occupies a larger volume, it exerts a lower pressure (assuming the amount of gas and the temperature do not change). Since P and V are inversely proportional, a graph of 1/P vs. V is linear.
Explanation:
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Ionic bonds are formed due to tendency of a metal to donate an electron and tendency of non metal to gain an electron.
The ocean takes up vast amount of heat from the sun in summer and releases it in winter, ameliorating summer and winter climate extremes downwind. ... When ocean currents change, they modify the sea surface temperature that the atmosphere sees, which drives anomalies in winds, weather and climate across the planet.
It is important to establish the true weight of the crucible because it is a necessary reference point. Later, you will be weighing the crucible to determine how much of the products are present, so it's necessary to have the true tare weight of the crucible.
<span>The crucible is heated to be sure it is free of any moisture or other volatiles that might otherwise give a misleading weight. If you start out with the crucible absolutely clean and dry, (after heating) then you know that any additional weight must have come from the sample.</span>