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A solid substance has a density of 8.7g/cm^3. How many pounds will this substance weigh if you have a block of the substance with a volume of 215.0 cubic feet
What is the rate constant (with units) if the rate of reaction is 1.23Ms- and the concentration of the Ru cluster is .050 M and the azide concentration is .025 M?
Calculate the work done (in J) on the surrounding atmosphere (1atm pressure, 25.8 oC ) by the evolution of hydrogen in the subsequent reaction
1.Determine the molar mass of a gas, if 3.94g of the gas occupied a volume of 3.52L at STP.
A saturated solution of magnesium hydroxide (Mg(OH)2) in equilibrium with undissolved solid is prepared at 25°C. The pH of the solution is 11.03. Calculate the value of the Ksp.
Balance each of the following equations. Classify each reaction as combination, decomposition, single-displacement, or double-displacement.
Propose a structure for an amine of formula C4H9N, which liberates a gas when treated with NaNO2 and HCl. The 13C NMR spectrum is as follows, with attached protons in parentheses
A sample of c3h8 has 6.56 x 10^24 H atoms. How many carbon atoms does the sample contain. what is the total mass of the sample
"Besides the traditional colorimetric acid/base indicators, there is another class that doesn't use color, the olfactory acid-base indicators! These compounds smell or don't smell based on their pH
Enter the simplest molecular formula for cyclopropane given that one molecular formula is (CH2)3. Enter formula in form of Cx Hy.
A helium-filled weather balloon has a volume of 815 L at 22 oC and 752 mmHg. It is released and rises to an altitude of 7.16 km, where the pressure is 364 mm Hg and the temperature is -25oC
A solid contains X, Y, Z atoms in a cubic lattice with X atoms in the corners, Y atoms in the body-centered positions, and Z on the faces of the cell. if we write the empirical formula of the compound as XaYbZc, what are the values of the coeffiec..
If 1.26 L of H2 gas are formed at STP, how many gram of HCl reacted? The reaction is Zn(s) + 2HCl(aq) ( H2(g) + ZnCl2 (aq)
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