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Why does group 2 on the periodic chart go down in density and then goes up in density while the radius is always getting larger.
What is the most likely chemical explanation for the fact that butter is a solid at room temperature while olive oil is a liquid? Answer a. Butter is an animal fat while olive oil is a vegetable fat. b. Butter is high in monounsaturated fats. c. Butter is a fat while olive oil is an oil. d. Butter is much higher in saturated fat than olive oil.
A half-life of phosphorus-32 =14.0 days. starting with six grams of 32P, determine how many grams would remain after 112 days
How many moles of HCL must be added to 1.50L of 1.70M KOH to obtain a pH of 2.00?
How many milliliters of 5.00 M HCl solution are needed to provide the 1.50 moles of HCl needed for a reaction?
Ddetermines how many tablets should be given to her if there are five tablets in stock.
3NaHCO3 + H3C6H5O7= 3CO2 + 3H2O + Na3C6H5O7 1g of sodium bicarbonate and 1g citric acid are allowed to react. Find the limiting reagent.
If a reaction mixture initially contains 443 of and 391 of , what is the mole fraction of when equilibrium is reached.
The boling point of water in city a is 94 degrees celcius and in city b it is 97 degrees celcius. which is at the higher elevation.
Twenty grams of liquid mercury at 98.0 °C is placed in 47.0 g of water initially at 25.0 °C. What is the final temperature of the water, assuming the styrofoam calorimeter absorbs no heat at all?
The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) -> 8CO2(g) + 10H2O(l) ->H°rxn = -5,314 kJ/mol What is the heat of combustion per gram of butane
What would you expect to observe when adding one drop of iodine-potassium iodine reagent to each of the four carbohydrates?
During the late 1800's, hard rock miners replaced candles with carbide lamps for work in mine shafts. The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned.
What mass of sucrose should be combined with 467 g of water to make a solution with an osmotic pressure of 8.30 atm at 300 K? (Assume the density of the solution to be equal to the density of the solvent.)
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