how many grams of tetrafluoride 7. How many grams of silicon tetrafluoride, a gas, at room...
According to the following reaction, how many grams of dichloromethane (CH2CH) will be formed upon the complete reaction of 23.9 grams of carbon tetrachloride with excess methane (CH) ? methane (CH)(8) + carbon tetrachloride(g) - dichloromethane (CH2Cl() grams dichloromethane (CH,CI») Submit Answer According to the following reaction, how many grams of nitrogen gas will be formed upon the complete reaction of 26.2 grams of ammonium nitrite ? ammonium nitrite(aq) nitrogen(g) + water(1) L g rams nitrogen gas Submit Answer According...
Assuming the gas is either carbon dioxide, CO2CO2, or methane, CH4CH4, how many grams, will you need to fill a 250 mL flask? Even though these are not accurate, assume the following: Temperature is 25°C Pressure is 1 atm Volume is 250 mL The gas is an ideal gas The mass needed if the gas is: CO2CO2: _____ g The mass needed if the gas is CH4CH4: _____ g
1. How many GRAMS of sulfur are present in 3.41 moles of sulfur tetrafluoride? grams 2. How many MOLES of fluorine are present in 2.86 grams of sulfur tetrafluoride ? moles Submit Answer Retry Entire Group 9 more group attempts remaining
How many grams of methane gas were used to fill a balloon to a volume of 3.0 L at STP?
A balloon contains 75.0 grams of carbon tetrafluoride gas with a volume of 159 dL at a temperature of 375 K. What is the pressure of the gas? (Show calculations, and the units.)
1. How many ATOMS of sulfur are present in 9.92 grams of sulfur tetrafluoride, SF4? ____ atoms of sulfur 2. How many GRAMS of fluorine are present in 4.58×1022 molecules of sulfur tetrafluoride? ____grams of fluorine 3. How many GRAMS of boron are present in 3.42 moles of boron trichloride, BCl3? ____grams 4. How many MOLES of chlorine are present in 3.38 grams of boron trichloride? ____moles 5. How many GRAMS of copper(II) are present in 4.84 grams of copper(II)...
1. How many GRAMS of nitrogen are present in 1.55 moles of dinitrogen tetrafluoride, N2F4? _______grams 2. How many MOLES of fluorine are present in 1.08 grams of dinitrogen tetrafluoride? _________moles 3.The percent by mass of copper(I) in Cu2SO3 is __________%. 4. Calculate the percentage composition for SF4. Mass percentage of sulfur = _________% Mass percentage of fluorine = _________%
- 2. (4 points) Suppose 46.9 grams of chromium(III) oxide and 31.5 grams of silicon are combined, and the following reaction occurs. 2 Cr2O3(s) + 3 Si(s) — 4 Cr(s) + 3 SiO2(5) a. What is the theoretical yield (in grams) of silicon dioxide? b. How many chromium atoms can be produced? C. How many grams of chromium(III) oxide will be left over? d. How many grams of silicon will be left over? 3. (2 points) How many oxygen molecules...
2. How many grams of hydrogen and carbon are there is 16 g of methane gas, CH? of4 is molar mas
1. How many MOLES of fluorine are present in 1.08 grams of dinitrogen tetrafluoride? _________moles 2.The percent by mass of copper(I) in Cu2SO3 is __________%. 3. Calculate the percentage composition for SF4. Mass percentage of sulfur = _________% Mass percentage of fluorine = _________%