How can determine the numbers of oxygen atoms
Determine the numbers of oxygen atoms are in the 53.5 g of calcium phosphate? Express your answer to the correct number of significant figures. Describe whether you would expect the same number of oxygen atoms in the 53.5 g of sodium phosphate.
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The mean score of the college entrance test is 400; the standard deviation is 70. The scores are normally distributed. Determine the probability of selecting a student who scored above 300?
By assuming the complete reaction, determine what volume of .200 mol dm-3 HCl (aq) is needed to neutralize the 25.0cm 3 of .200 mol dm-3 Ba(OH)2 (aq).?
Checkers Cab Company is trying to decide which brand of tires to employ for the coming year. Based upon current price and prior experience, they have narrowed their choice to two brands,
At 910 mmHg and 36 oC a cylinder with a movable piston contains a 1024 ml sample of argon gas, determine the numbers of moles of gas are in the sample? Make sure to express the answer to the correct number of significant figures.
What are the molarity and the molality of sucrose in this solution when a 10.0% aqueous solution of sucrose (C12H22O11) by mass has a density of 1.040 g/ml.
The culture of bacteria obeys law of unihibited growth. If 500 bacteria are present initially and there are 800 after one hour, how many will be there in culture after five hours.
The synthesis of aluminum oxide is exothermic to the extent of 1672KJ/mol of oxide and the heat of formation of ferric oxide is-836 KJ/mol of ferric oxide.
Calculate the molar mass of the acid when a 0.2688-g sample of a monoprotic acid neutralizes the 16.4 mL of0.8133 M KOH solution.
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When children are able to determine that the same amount of liquid is in two different sized containers, they have mastered
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The range of tasks that are too difficult for the child to master alone but that can be learned with the guidance and assistance of adults
My name is Lisette (preferred) and I am located in Augusta, GA. I am majoring in Psychology (BS) with the Life Sciences option, I currently am a manager
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