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Determine the mean, relative standard deviation and the standard deviation (SD) in % of the individual result. Show and determine the standard deviation (SD) of the mean.
A piece which is having 2.00 kg of granite with a temperature of 95.0degrees Celsius and a specific heat of 0.803 Jg-1 Degrees C-1 is placed into the 2.00L of water at 22.0 degrees Celsius.
Determine the mass of water formed when9.04 g of butane reacts with excess oxygen. State the mass of water numerically in the grams.
An ether solution of an unknown is found and dry compound obtained by evaporating the ether with either a stream of nitrogen or by placing the solution in your drawer in isolating the neutral compon
Discuss why is the conductivity of concentrated strong acid solutions lower comparison to the predicted based upon analytical concentrations?
Suppose the solution has 1 ppm of solution; express the concentration of solution in g/L, mg/L, g/mL, and mg/mL. Any dilute aqueous solution has a density near 1.00 g/mL.
Determine the number of grams of methanol (CH3OH, formula weight = 32.04) are contained in the 0.100L of 1.71M aqueous methanol?
Rotate the coordinate axes through 45 degrees illustrating that equation xy=8 is a hyperbola, and define equation for x and y in standard form with exact values being utilized when computing.
Determine the concentration ( expressed as mol/L = M) of NaCl when 32.0g of NaCl is dissolved in the water and diluted to 0.500L?
Calculate the wavelength of the line in the emission spectrum of He+ formed by an electron transition from ni = 4 to nf = 3.
If the student starts with 10 oz of water and she adds acid how does she get the ration which has 10% acid ratio, and can she ever get to 100%?
At 25 degrees C if 115 grams of water absorbs 285 kJ of heat from a mountain climber's stove at an elevation where the boiling point of water is the 93 degrees C, is this amount of energy sufficient
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.
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
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 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?
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 provi
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 =
Determine the number of moles of CCl4 formed, One mol of carbon reacted with the 1.00 mol of chlorine: C + 2Cl2 ® CCl4 , suppose the reaction went to the completion.
At room temp when the FTIR spectrum of n-octadecane is collected, there are some sharp peaks due to atmospheric water at >3400 cm^-1. There are also broad CH peaks around the 2900 cm^-1.
An oxygen gas is collected over the water. The total pressure is 738 torr. The temperature of the water is such that the water vapor pressure is 43 torr. Find out the partial pressure of the oxygen
Calculate what observations would be made if the potassium iodide were added to a saturated silver chloride solution. Explain in detail when the Silver iodide is more insoluble than is silver chlor
To make perfect ramp, he requires to determine angle, theta, of the take off point on inclined ramp. He plans to travel at the speed of 100 ft per second toward inclined plane.
Determine the molality of the solution if it freezes at-0.9C when an aqueous solution contains the amino acid glycine, NH2CH2COOH. Suppose that the acid does not ionize in the water.