Chemistry, 04.05.2021 19:50 fatlip2429
1.50g of NaNO3 is dissolved into 25.0mL of water, causing the temperature to increase
by 2.2°C. The density of the final solution is found to be 1.02g/mL. Which of the
following expressions will correctly calculate the heat gained by the water as the NaNO3 dissolves? Assume the volume of the solution remains unchanged.
Answers: 1
Chemistry, 22.06.2019 06:00
One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)
Answers: 1
Chemistry, 22.06.2019 19:30
Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
Answers: 2
Chemistry, 22.06.2019 21:00
As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
Answers: 1
1.50g of NaNO3 is dissolved into 25.0mL of water, causing the temperature to increase
by 2.2°C. Th...
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