Chemistry
Calculate the solubility of ZnCO3 in .050 M Zn(NO3)2. Ksp= 3.0*10^-8 solubility= 1.7*10^-4
algebra
grandpa has 9 grandchildren. the following ages are 1 15 9 12 18 9 5 14 7. which statement does the data support
Algerbra 1 substitution method
X=2 Y=-1 (2,-1)
Algerbra 1 substitution method
X=2 Y=-1 (2,-1)
statistics
Someone who has never seen a normal die before decides to estimate the mean value of all its faces (μ) by rolling it many times. First, they are told that the standard deviation is σ = 1.7. Then, they roll the die 50 times and get a sample mean of x-bar = 3.7. Finall...
Physics
17. A 60.-kilogram student climbs a ladder a vertical distance of 4.0 meters in 8.0 seconds. Approximately how much total work is done against gravity by the student during the climb?
Chemistry
Ok, so how then do I figure out the expected moles for N2 at the end of the equation. Is it that because of the 1:1 ratio that the .0073 mol of NaNO2 are the same for the N2 gas?
Chemistry
In the lab experiment (Ideal Gas Behaviour) we were told to calculate the Molar voume of N2 gas using the equation - vol N2 @STP/ mol N2 produced. The mol of N2 produced were found using the equation PV=nRT where P = Net pressure of N2 alone = 744.11 (tot pressure - vapour pre...
Chemistry
In the Formula... Na+ + NO2- + HSO3NH2 -> HSO4- + H2O + N2 + Na+ which I know has a 1:1 ratio, How do I figure out the Moles of N2 gas expected. Molar volume = 24.627 L/mol Moles of N2 produced = .0067 mol Volume of N2 gas of STP = .165 L Original used .5062g of NaNO2 to pr...
accounting
thank u so much
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