An experiment shows that a 113 mL gas sample has a mass of 0.169 g at...

An experiment shows that a 113 mL gas sample has a mass of 0.169 g at a pressure of 718 mmHg and a temperature of 34 ∘C.

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queen_honey_blossom answered 2 years ago

1. An experiment shows that a 112 mL gas sample has a mass of 0.173 g...

1. An experiment shows that a 112 mL gas sample has a mass of 0.173 g at a pressure of 739 mmHg and a temperature of 30 ∘C. What is the molar mass of the gas? 2 Aluminum oxide can be formed from its elements. 4Al(s) + 3O2(g) → 2Al2O3(s) Part A What volume of oxygen is needed at 24.7 ∘C and 0.8200 atm to completely react with 84.66 g of aluminum?

1. A 5.75 mL sample of mercury has a measured mass of 77.05 g. The density...

1. A 5.75 mL sample of mercury has a measured mass of 77.05 g. The density is ___________ 2. Mercury’s accepted density is 13.53 g·mL-1. The % error in your measurement is: ____________ 3. Is this person accurate? ____ Is the person precise? ___ Defend your answer! 4. This molecule contains ____ elements and ____ atoms. Carbon=black Oxygen=Red White=Hydrogen The molecular formula for this substance is: ___________ 5. Calculate the number of seconds in 5.25 years using unit analysis:...

the density of the sample is 0.9977 g/mL and the molar mass of calcium carbonate is...

the density of the sample is 0.9977 g/mL and the molar mass of calcium carbonate is 100.0 g/mol. 2. Calculate the number of moles of calcium ions present in a 50.00 mL water sample that has a hardness of 75.0 ppm (hardness due to CaCO3). 3. If the 50.00 mL sample from problem 2 above was titrated with a 0.00500 M EDTA, what volume (in milliliters) of EDTA solution would be needed to reach the endpoint? If someone could show...

Determine the molar mass of chloroform gas if a sample weighing 0.389 g is collected in...

Determine the molar mass of chloroform gas if a sample weighing 0.389 g is collected in a flask with a volume of 102 cm3at 97C. The pressure of the chloroform is 728 mmH

A sample of a gas has a volume of 1380 mL at a temperature of 20.0C...

A sample of a gas has a volume of 1380 mL at a temperature of 20.0C what will be it’s volume at 0.0C if the pressure remains constant ? I’m having a little bit of trouble here setting this up . I have to show all my work This is what I came up with so far but decided to ask to help Vi 1380 ML Ti 20.0 V2 ? T2 293k 1380 x 293k Over 760 x 273 Is...

An extremely small sample of an ideal diatomic gas (with a molar mass of 28 g/mol)...

An extremely small sample of an ideal diatomic gas (with a molar mass of 28 g/mol) has the following distribution of molecular speeds: 1 molecule moving at 100 m/s, 2 molecules at 200 m/s, 4 at 300 m/s, and 3 at 400 m/s. What is the rms speed of the distribution? What is the average kinetic energy of translational motion per molecule? What is the temperature of this sample?

A 150.0 mL gas tank contains 51.2 g of oxygen gas and 32.6 g helium gas....

A 150.0 mL gas tank contains 51.2 g of oxygen gas and 32.6 g helium gas. What is the total pressure in the tank? What is the partial pressure of oxygen?

A 0.02862 g sample of gas occupies 10.0 mL at 290.5 K and 10 atm. Upon...

A 0.02862 g sample of gas occupies 10.0 mL at 290.5 K and 10 atm. Upon further analysis, the compound is found to be 38.734% C and 61.266% F. What is the molecular formula of the compound? Draw the Lewis structure of the compound. Is the compound polar? What is the geometry around each carbon atom?

A 0.02887 g sample of gas occupies 10.0 mL at 288.0 K and 1.10 atm. Upon...

A 0.02887 g sample of gas occupies 10.0 mL at 288.0 K and 1.10 atm. Upon further analysis, the compound is found to be 38.734% C and 61.266% F. What is the molecular formula of the compound? Identify the geometry around each carbon atom. Is this compound polar?

A sample of argon gas has a volume of 785 mL at a pressure of 1.36...

A sample of argon gas has a volume of 785 mL at a pressure of 1.36 atm and a temperature of 118 ∘C. Part A What is the volume of the gas in milliliters when the pressure and temperature of the gas sample are changed to 634 mmHg and 327 K , if the amount of gas remains the same? V1 = _____ mL Part B What is the volume of the gas in milliliters when the pressure and temperature...

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