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1. Write the name and chemical formula of the following compound containing Magnesium and Bromine? Write the name and charge of the cation. Write the name and charge of the anion.
2. What is the name for the following compound, Fe3(PO4)2? (2 points) Calculate Molecular weight. Show work
3. 25.0 mL of 0.7 M NaOH is neutralized by 51 mL of an HCl solution. The molarity of the HCl solution is
4. Calculate the pressure, in atmospheres, of 4.78 mol CO(g) in a 4.5 L tank at 50 degrees C
5. A gas at a temperature of 100 degrees C occupies a volume of 165 mL. Assuming constant pressure, determine the volume at 20 degrees C. Show your work.
Problem- A student observed that enzyme solutions (without fluoride ions added to it) turn red fairly rapidly at room temperature. What does this phenomenon suggest that is also present in the enzyme extract beside the enzyme
Indicate the approximate location (cm-1) in the IR Spectrum where you would expect to see one or two absorptions that distinguish the compounds in Diethyl Ether.
How many joules of heat are needed to completely vaporize 24.40 grams of water at its boiling point? Given ΔHvap = 40.6 kJ/mol
what is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen
Acetylene (C2H2) can be produced from the reaction of calcium carbide (CaC2) with water. Draw the localized electron orbital model (hybridized orbital model) for the acetylide anion (C22-), showing ?, ?, and lone pair electron orbital.
Calculate the Sb3+ ion concentration at equilibrium in a 0.10 M Sb3+ ion solution that has been buffered at pH 8.00
Calculate ΔHo fusion and ΔSo fusion for the substance If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K. ?
A 1.525 g sample of a compound between sulfur and oxygen was prepared by burning 0.7625 g of sulfur in air and collecting the product. What is the empirical formula for the compound formed
calculate the amount of potassium ferricyanide(formula weight 329.23g/mole) that must be used to prepare 250 mL of a 2.5X10-3 M solution.
A study of this system reveals that there are 4.0E-3 moles of sulfur dioxide gas, and 4.9E-3 moles of oxygen gas present in a 9.0L flask at equilibrium. The equilibrium constant for this reaction is 4.1E-3. Calculate the number of moles of SO3(g) ..
A tiny speck (8.3 x 10-7 mol) of americium-241 is used in smoke detectors, how many atoms of americium-241 are there in one of these smoke detectors?
Question- How much HCO2H is obtained by reacting 2.40 g of FeS, 1.20 g of H2S, and 1.20 g of CO2 if the reaction results in a 47.0% yield
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