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Agas company in Massachusetts charges $1.30 for 15.0 cubic ft of natural gas. (a) Convert this rate to dollarsper liter of gas. (b) It takes 0.304 cubic ft of gas to boil aliter of water, starting at room temperature (25 degrees), how much would it cost to boil a 2.1-liter kettle of water?
Calcium carbide reacts with water to form acetylene and calcium hydroxide. From the following enthalpy data calculate Delta Hf for CaC2
say you removed an ice cube at -10 ordmc weighing 36 g from your freezer. now you place the ice cube in a 90 g sample
A student placed 13.0 g of glucose C6YH12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water
dissolved .31 grams of KHP in 25 ml of water and it required 15.5ml of NaOH to reach end of titration, how many moles of KHP were originally present before the addition of the NaOH?
What is the freezing point of a solution of 1.17 g of 1-naphthol, C10H8O, dissolved in 2.00 mL of benzene at 20°C? The density of benzene at 20°C is 0.876 g/mL. Kf for benzene is 5.12°C/m, and benzene's normal freezing point is 5.53°C.
the generic term used to describe the structure of the carbon nucleophile in a Wittig reaction
Determine how much PV work is done if 80.0 g of C 2 H 4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules
how much NaCl is present in one serving (105g ) of chips? Express your answer to three significant figures and include the appropriate units. (in grams)
How many grams of caffeine (C8H10N4O2) are present in one cup of coffee that contains 8.98 × 1021 caffeine molecules?
Balanced Equation for Sulfathiazole Synthesis - Regarding the synthesis of sulfathiazole from 2-aminothiazole and p-acetamidobenzenesulfonyl chloride,
Check all of the samples that will have ion dipole forces. You may want to review your notes in chapter 4 to make sure you understand the difference between strong electrolytes and non-electrolytes. HCl (aq) NH4Cl (aq) H2O (l) CO2 (g) KCl (aq) CH3..
A 25.0-mL sample of 1.00 M NH3 is titrated with 0.15 M HCl. What is the pH of the solution after 15.00 mL of acid have been added to the ammonia solution? Kb = 1.8 × 10¯5
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