Write the formula for each of the following compounds and indicate which ones are best described as ionic: sodium hypochlorite boron triiodide aluminum perchlorate
- Write the formula for each of the following compounds and indicate which ones are best described as ionic: sodium hypochlorite
- boron triiodide
- aluminum perchlorate
- calcium acetate
- potassium permanganate
- ammonium sulfite
- potassium dihydrogen phosphate
- disulfur dichloride
- chlorine trifluoride
- phosphorus trifluoride
2.A drop of water has a volume of about 0.050 mL. How many molecules of water are in a drop of water? (Assume water has a density of 1.00 g/cm3.)
3.Capsaicin, the compound that gives the hot taste to chili peppers, has the formula C18H27NO3. (a) Calculate its molar mass.
-
- If you eat 55 mg of capsaicin, what amount (moles) have you consumed?
- Calculate the mass percent of each element in the compound.
- What mass of carbon (in milligrams) is there in 55 mg of capsaicin?
4.Malic acid, an organic acid found in apples, contains C, H, and O in the following ratios: C1H50O1.25. What is the empirical formula of malic acid?
5.Your doctor has diagnosed you as being anemic—that is, as having too little iron in your blood. At the drugstore, you find two iron-containing dietary supplements: one with iron(II) sulfate, FeSO4, and the other with iron(II) gluconate, Fe(C6H11O7)2. If you take 100. mg of each compound, which will deliver more atoms of iron?
6.Write balanced chemical equations for the following reactions:
-
- production of ammonia, NH3(g), by combining N2(g) and H2(g)
- production of methanol, CH3OH(ℓ) by combining H2(g) and CO(g)
- production of sulfuric acid by combining sulfur, oxygen, and water.
7.Balance the following equations:
-
- Cr(s) + O2(g) ’!"#$%&⎯⎯) Cr2O3(s)
- Cu2S(s) + O2(g) !’"#$%&⎯⎯) Cu(s) + SO2(g)
- C6H5CH3(ℓ)+ O2(g) ’!"#$%&⎯⎯) H2O(ℓ) + CO2(g)
8.Balance the following equations: (a) Cr(s) + Cl2(g) ’!"#$%&⎯⎯) CrCl3(s)
-
- SiO2(s) + C(s) !’"#$%&⎯⎯)Si(s) + CO(g)
- Fe(s) + H2O(g) !’"#$%&⎯⎯) Fe3O4(s) + H2(g)
9.Balance the following equations, and name each reactant and product:
-
- Fe2O3(s) + Mg(s) ’!"#$%&⎯⎯) MgO(s) + Fe(s)
- AlCl3(s) + NaOH(aq) !’"#$%&⎯⎯) Al(OH)3(s) + NaCl(aq)
- NaNO3(s) + H2SO4(aq) !’"#$%&⎯⎯) Na2SO4(s) + HNO3(aq)
- NiCO3(s) + HNO3(aq) ’!"#$%&⎯⎯) Ni(NO3)2(aq) + CO2(g) + H2O(ℓ)
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 3 images
