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- The mystery fuel speedster! (Homework ) For fun, you build an explosive car with your little brother by attaching wheels to an empty windshield washer container. To advance it, you add 1.20 ml ( = 0.7915 g/ml) of a liquid but volatile fuel into the container. You close the cap and shake to evaporate the liquid. Finally, you place the car on its wheels, remove the cap and insert a burning wooden rod into the container. A flame suddenly comes out of the car, which is propelled with good speed in front of your little brother surprised, but all upset by the maneuver. The volatile fuel is composed of 37.5% carbon, 12.6% hydrogen and 49.9% oxygen. Its molar mass is approximately 32.0 g/mol. During the reaction, the fuel (gaseous) burns in the presence of gaseous oxygen, and the products of the reaction are carbon dioxide and water, gaseous too. The volume of the windshield washer container used is 4.00 litres. Useful Info: There is 21.0% gaseous oxygen in the air and initial conditions…Nitric oxide, NO, is made from the oxidation of NH3 as follows: 4NH3 + 5O2 → 4NO + 6H2O When 6.0 moles of NH3 is mixed with 11.1 moles of O2, how many moles of O2 is in excess when the reaction is over? Do not include unit. Keep 1 decimal place in your answer.A lotion vehicle contains 15% w/ of glycerin (sp gr 1.25), How much glycerin should be used in preparing 5 gallons of the lotion? a. 2271 g glycerin b. 3339.7 mL glyccrin c. 2671.8 g glycerin d. 3548.+ g glycerin
- Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine.CCl4(g) + 1/2O2(g) COCl2(g) + Cl2(g), Kc = 4.4 × 109 at 1,000 KCalculate Kc for the reaction 2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g). Round off the answer to two significant digits. Group of answer choices 4.4 × 109 8.8 × 109 1.9 × 1010 1.9 × 1019 2.3 × 10–101. Calculate the GFW of chromium (III) carbonate, Cr2(CO3)3, to four significant figures. From the periodic table, Cr = 52.00, C = 12.01, and O = 16.00 GFW = 2. The previous question was: Calculate the GFW of chromium (III) carbonate, Cr2(CO3)3, to four significant figures. From the periodic table, Cr = 52.00, C = 12.01, and O = 16.00 What are the units ? GFW = a. grams b. amu c. mol d. FU e. atoms f. no unitsGiven the following reactions: Fe(s) + Br2(g) \rightarrow→ FeBr2(s) 3 FeBr2(s)+ Br2(g) \rightarrow→ Fe3Br8(s) If each reaction gives an 82.0 % yield, what mass (in grams) of Fe3Br8 is produced from 1.00 g of Fe, assuming Br2 is in excess? Enter the numerical value (no units) using 3 significant figures.
- C3h8(g) + 5O2(g) = 3CO2(g) + 4H2O(g) 3.8 moles of C3H8 are burned in a room with excess oxygen gas. How many moles of carbon dioxide are released into the atmosphere during this process? _________ mol CO2 [Number in standard notation; Round your answer to one decimal place!]a hydrated CuSO4 salt was heated and thus dehydrated. Determine the % H2O by weight in the hydrated CuSO4 salt. SHOW WORK TO RECEIVE FULL CREDIT mass of empty dish 43.571 gmass of dish + hydrated salt 44.326 gmass of dish + dehydrated salt 44.054 g 4. Using the data found in question number 3, determine the empirical formula for the hydrated CuSO4salt. What is the chemical name of this dehydrated salt? 5. Suppose that after your second heating, you were impatient and did not wait until your porcelain evaporating dish to cool. Instead, you weighed it while it was still hot. How would this specifically affect the calculated percentage of water in the compound?1. How many grams of water, H2O, are present in 7.50x1024 molecules of water, H2O? 2. The correct coefficients for the reaction below? ____ N2H4 + _____H2O2 → ____N2 + ____H2O Please type the answer eg; 1 2 3 4 space between the numbers.
- According to the reaction below, what mass of calcium metal is required to completely react with 28.40 grams of aluminum chloride (AlCl3)? Round your answer to the nearest 0.01 and remember to include units and substance! Ca + AlCl3 --> CaCl2 + AlGypsum (CaSO4·2H2O) is added to soil to enhance plant growth. It dissolves according to the following equation: CaSO4⋅2H2O(s)⇌Ca2+(aq)+SO2−4(aq)+2H2O(1)CaSO4⋅2H2O(s)⇌Ca2+(aq)+SO42−(aq)+2H2O(1) The Ksp of gypsum is 3.14 × 10−5. How much gypsum, in grams, should you add to your 5.0 L watering can to produce a saturated solution?When AgNO3 reacts with BaCl2, AgCl and BaNO3 are formed. How many grams of AgCl are formed when 5.0 g of AgNO3 reacts with 8.0 g of BaCl2? 2AgNO3(aq) + BaCl2(aq) --> 2AgCl(s) + Ba(NO3)2(aq) Please show the dimensional anaylsis steps, and the balanced equation. thank you so much! Have a great day