How many moles of gaseous boron trifluoride, BF3, are contained in a 434.10-mL bulb at 788.0...
How many moles of gaseous boron trifluoride, BF3, are contained in a 434.10-mL bulb at 788.0 K if the pressure is 1.220 torr? How many grams of BF3? Which law is this? Pay attention to the units.
1. Why are sharp knives more effective than dull knives? (Hint: Think about the definition of pressure.) 2. Name 6 possible units of pressure. 3. Convert 30°C to Kelvin. 4. Draw a manometer and a barometer and explain how they both work. 5. Sometimes leaving a bicycle in the sun on a hot day will cause a blowout. Why? 6. A 2.50-L volume of hydrogen measured at -196 °C is warmed to 100 °C. Calculate the volume of the gas...
1. How many MOLECULES of boron tribromide are present in 4.37 moles of this compound ? molecules. 2. How many MOLES of boron tribromide are present in 6.07×1022 molecules of this compound ? moles. 1. How many ATOMS of nitrogen are present in 1.22 moles of nitrogen trifluoride ? atoms of nitrogen. 2. How many MOLES of fluorine are present in 1.64×1022 molecules of nitrogen trifluoride ? moles of fluorine.
1. How many GRAMS of boron are present in 2.62 moles of boron trichloride ___ grams. 2. How many MOLES of chlorine are present in 1.39 grams of boron trichloride ____ moles.
Exercise 6.4 • How many moles of gas will occupy a 750 ml volume at 25°C and 0.42 atm pressure? . 2 If the argon gas in a light bulb exerts a pressure of 0.54 atm at 20°C. what pressure will it exert at 160°C? 3 What is the molar mass of a gas if 0.21 g occupies a 0.13 liter volume at 80°C and 0.92 atm pressure? - How many grams of ammonia gas, NH,, are there in a...
How many moles of helium are contained in 33.0 mL at STP?
a)According to the following reaction, how many moles of bromine trifluoride are necessary to form 0.841 moles fluorine gas?bromine trifluoride (g) →bromine(g) + fluorine(g)_______moles bromine trifluorideb) According to the following reaction, how many moles of dichloromethane (CH2Cl2) will be formed upon the complete reaction of 0.227 moles methane (CH4) with excess carbon tetrachloride?methane (CH4) (g) +carbon tetrachloride (g)→dichloromethane (CH2Cl2) (g)________moles dichloromethane (CH2Cl2)
Question 46 1 pts How many moles of gas are contained in 890.0 mL at 21.0°C and 750.0 mm Hg pressure? O 0.120 g 0.0364 g 22.4g © 27.5 g
How many moles of CH3CH2Br are contained in 548 mL of 0.0788 M CH3CH2Br solution?
How many moles of LiBr are contained in 258.6 mL of 0.0296 M LiBr solution?