Calculate the percent nacl in the sample
A 5.000g of sample that contained BaCl2*2H2O and NaCl was heated. After heating the sample had a weight of 4.751g. Calculate the percent NaCl in the sample?
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With 0≤ x ≤ 2 A particle restricted to one dimension x is described by the un-normalized wave function Ψ (x) = x3. Calculate the probability of finding the particle among the x = 0 and x = 1?
From the gumarabic showed the elemental analysis of an organic solid extracted that it contained the 6.7%H, 40% C and 53.3% O. Solutions of 0.650g of the solid in 27.8g of the solvent diphenyl provide a freezing point depression of 1.56C.
A car can drive X milers per gallon, where X has normal distribution with mean of 40 miles and standard deviation of 2 miles. Find out probability that this car will drive over 205 miles with five gallons of fuel.
The initial velocity of 10 miles per hour, will she clear two cars? if she doesn't make it. What recommendations can you make mathmatically to guarantee that she wll make jump?
A botanist has developed new hybrid cotton plant which can withstand insects better than other cotton plants. But, there is some concern about the germination of seeds from new plant. To determine the probability that a seed from the new plant wil
Alexander, who weighs 189lb, decides to climb Mt. Krumpett, which is 5310 m high. He decides to take nutrition bars for his food supply. The label on the bars states that each 100 g bar have 40 g of protein, 10g of fat and the 50g of carbohydrates
If the gas initially occupied the 68.0 mL, discuss the final volume of the gas when an expanding gas does 165.0 J of work on its surroundings at a constant pressure of 1.04 atm.
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