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One mole of neon gas equals how many grams? Round to the nearest hundredth. Don't forget the units. Be sure to abbreviate the units.
A solution is prepared by dissolving 75.0 g HCl(g) in enough water to make 350.0 L of solution. The ph of this solution is?
The reaction of barium metal with liquid water produces 660.2 kJ of heat for every mole of barium that reacts. One of the products is barium hydroxide.
Calculate the vapor pressure of a solution made by dissolving 109 grams of glucose
Explain carefully, with a drawing, why the protons substituted ortho to an acetyl group normally have a greater chemical shift than the other protons on the ring.
How much heat in kilojoules is needed to bring 1.30 kg of water from 33.7 to 97.1 °C (comparable to making four cups of coffee)?
A mixture of 0.0319 g hydrogen and 0.0178 mol oxygen in a closed container is sparked to initiate a reaction. How many grams of water can form?
In the oxidation of glucose (C6H12O6), water and carbon dioxide are formed when the sugar is reacted with oxygen gas. If 4.39 grams of glucose are reacted, assuming 100% yield, how many moles of carbon dioxide would evolve?
A 750-mL sample of nitrogen was collected by displacement of water from a container at 30°C and an atmospheric pressure of 742 Torr. If the vapor pressure of water at 30°C is 31.8 Torr, calculate the number of moles of nitrogen gas produced.
A sample of nitrosyl bromide (NOBr) decomposes according to the equation 2NOBr(g)-->2NO9g) +Br2 An equilibrium mixture in a 5.00- vessel at 100 degrees celsius contains
The iron content of hemoglobin can be determined by converting the iron to Fe2+ and titrating using MnO4 -. A 5.0 g sample of hemoglobin requires 21.6 mL of 0.00310 M potassium permanganate. What is the percent of iron in the hemoglobin sample?
Which of the following has the highest number of Calories?
3NaHCO3(aq) + H3C6H5O7(aq) → 3CO2(g) + 3H2O(l) + Na3C6H5O7(aq) How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0119 mol of NaHCO3 is dissolved?
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