How many molecules of CO 2 are in 35.0 L CO 2 (g) at 1.0 atm and 7 ∘ C ?
How many grams of CO(g) are in 0.948 L of the gas at 1.33 atm and 226. K?
How many grams of phosphine (PH3) can form when 35.0 g of phosphorus and 96.2 L of hydrogen gas react at STP? P4(s) + H2(g) → PH3(g) (Unbalanced) ....... g PH3
71. Consider the chemical reaction: C(s) + H2O(g) →→ CO(g) + H2(g) How many liters of hydrogen gas are formed from the complete reaction of 15.7 g C? Assume that the hydrogen gas is collected at a pressure of 1.0 atm and a temperature of 355 K. MISSED THIS? Read Section 6.7; Watch IWE 6.12
Consider the chemical reaction: C(s)+H2O(g)→CO(g)+H2(g) How many liters of hydrogen gas are formed from the complete reaction of 1.20 mol of C? Assume that the hydrogen gas is collected at a pressure of 1.0 atm and temperature of 311 K . express your answer in 2 significant figures
4.0 101 56 How many moles of gases are contained in a human breath that takes in 0.50 L of air at 1.0 atm pressure and 37 °C? PV A 0.165 mol B 2.0 moł D 2.1 mol 1.2 mol NT
Part A How many molecules of O2 are contained in a 10.0 L tank at 7.53 atm and 485 K? O1.14 x 1024 molecules 5.30 x 1024 molecules 5.69 x 1023 molecules 3.90 x 1024 molecules 2.28x 1024 molecules Request Answer Submit Provide Eeedhack
Calculate the density of oxygen, O2, under each of the following conditions: STP 1.00 atm and 35.0 ∘C Express your answers numerically in grams per liter. Enter the density at STP first and separate your answers by a comma. To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.8-L bulb, then filled it with the gas at 1.40 atm and 30.0 ∘C and weighed it again. The difference in mass was 7.5 g ....
1. At 1 atm, how much energy is required to heat 35.0 g H2O(s) at −10.0 ∘C to H2O(g) at 137.0 ∘C? Use the heat transfer constants found in this Quantity per gram per mole Enthalpy of fusion 333.6 J/g 6010. J/mol Enthalpy of vaporization 2257 J/g 40660 J/mol Specific heat of solid H2O (ice) 2.087 J/(g·°C) * 37.60 J/(mol·°C) * Specific heat of liquid H2O (water) 4.184 J/(g·°C) * 75.37 J/(mol·°C) * Specific heat of gaseous H2O (steam) 2.000...
How many molecules of liquid ethyl mercaptan, C2H6S, are contained in a 1.0 ?μL sample? The density of ethyl mercaptan is 0.84 g/mL. (show all work)
1. If a gas occupies 2 L at 3 atm, how many liters will it occupy at 6 atm if the temperature is not changed? a)1L b)2L c)3L d)4L 2. IF A GAS OCCUPIES 2 L AT 273 °C, WHAT IS THE VOLUME AT 0 °C IF THE PRESSURE DOES NOT CHANGE? a)0.5 L b)1 L c)2 L d)4 L 3. If a gas occupies 5 L at 298 K, what temperature is needed to reduce the volume to 2 L...