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The atomic radius of main-group elements generally increases down a group because??
Assuming no loss of water and that the vessel has a heat capacity of 10.0 J/K What is the final temperature of the system? (specific heat capacity - c of copper = 0.387J/g•K)
What quantity of heat is required to vaporize 0.500 mL of Hg at 357 degrees celsius its normal boiling point. The density of Hg is 13.6 g/mL
Write a balanced equation and an expression for Ksp for the dissolution of the given ionic compound. Include states-of-matter. CaCO3 balanced equation: solubility expression
Question- What is the alkalinity (expressed in mg/L as CaCO3) of a solution containing 0.01 M HCO3- and 0.02 M CO32- at a pH of 10.6
The heat required to raise the temperature of a large cup of water (for coffee) from room temperature to boiling is approximately 100 kJ. Express this quantity of heat in kilocalories and British thermal units. Show your calculations.
Phosphorus pentachloride is used in the industrial preparation of organic phosphorus compounds. Equation 1 shows its preparation from PCl3 and Cl2. (1) PCl3(l) + Cl2(g) PCl5(s)
A 0.0989 g sample of an alcohol is burn in oxygen to yield 0.2160 g Co2 and 0.1194 g H2o. Calculate the mass percentage of C, H, and O in the compound
Problem- Explain when the mobile phase flow rate increases in a Van Deemter curve, how do the A, B, C terms affect the chromatography resolution
Compute the molar concentration of Cu2+ for a solution prepared by mixing 25mL of 0.10 M CuCl2 with 25mL of 0.10 M NaOH.
1.how does cracking pressure percentage change as the maximum pressure setting of the relief valve increases?
the concentration of commercially available concentrated nitric acid is 70.0 percent by mass or 15.9 m. calculate the
Draw Fischer projection formulas of the major product of the reaction between E-2-methyl-3-hexene and aqueous Br2.
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