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What is the formal charge on the singly bonded oxygens in the Lewis Structure for the carbonate ion? Please show work I am having a hard time figuring this out
What is the molarity of the solution if 310 of the solution reacts with magnesium to produce 7.40 of gas measured at STP?
Which of the following is less soluble in hexane, ethanol or CCl3H(l). Don't try to type the subscripts, just use letters and numbers.
A 9-mm Xian short-barrel experimental pistol is fired and the reacting, exploding gases push the bullet down the barrel of the gun. The pressure is recorded as the bullet accelerates to the exit.
a student found that 0.0025 moles of NaOH was used in titration. how many moles of fatty acids where in the sample
A certain person had a brain that weighed 1.40 kg and contained 4.60 x 10^10 cells. Assuming that each cell was completely filled with water (density = 1.00 g/mL) calculate the length of one side of such a cell if it were a cube.
determine the empirical formula of a compound having the following percent composition by mass k
Define and give examples of the following: oxidation reactions; reduction reactions; reactions that are neither
A gas sample containing 1.65 mol at 25°C exerts a pressure of 413 torr. Some gas is added to the same container, and the temperature is increased to 50.°C.
A balloon at a pressure of 755 torr and a volume of 5.00 L. was allowed to rise in the atmosphere to a point at which the pressure inside and outside the balloon was 697 torr. What was the volume of the balloon at that altitude, assuming the tempe..
What is the ratio of ground state energy of atomic hydrogen
Calculate the energy in joules and calories required to heat 40.0 silver (Ag) from 112 C to 270 C
Calculate the corresponding wavelenghts (in nm) and energies (in kJ/mol) of these vibrations.
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