Question

Solve for the following

A mixture of helium and hydrogen gases, at a total pressure of 942 mm Hg, contains 0.783 grams of helium and 0.398 grams of
hydrogen. What is the partial pressure of each gas in the mixture?
PHe
PH,
mm Hg
mm Hg
Expand
Transcribed Image Text

A mixture of helium and hydrogen gases, at a total pressure of 942 mm Hg, contains 0.783 grams of helium and 0.398 grams of hydrogen. What is the partial pressure of each gas in the mixture? PHe PH, mm Hg mm Hg

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

States of matter

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: The quantum numbers n = 2, l = 0 describe how many orbitals?

A: Click to see the answer

Q: Calculate ΔGrxn at 298 K under the conditions shown below for the following reaction.               ...

A: Given: The reaction is as follows, CaCO3(s) → CaO(s) + CO2(g)     ∆G° = +131.1 kJ Partial pressure o...

Q: [References) Labdane is a diterpenoid consisting of 4 isoprene units bonded head-to-tail and cross-l...

A: The structure of isoprene and different type of linkages are as shown below.

Q: (CH;(CH),CH,) Gaseous butane reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide (...

A: Balanced equation: 2C4H10 (g)  +   13O2 (g)  -------->   8CO2 (g)  +    10H2O (g) Number of mols ...

Q: please explain your reasoning

A: Click to see the answer

Q: A 0.0647−mol sample of a nutrient substance, with a formula weight of 114 g/mol, is burned in a bomb...

A: Given: moles of sample = 0.0647 mol molar mass of sample = 114 g/mol mass of sample = 0.0647×114 = 7...

Q: Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated:  1...

A: C1 x V1 = C2 x V2 Where, C1 = initial concentration; V1 = initial volume             C2 = final conc...

Q: CO2 concentration is 440 ppm in the atmosphere. How much CO2 is dissolved in water (in terms of mg/L...

A: at pH = 4. -log[H+] = 4       [H+] = 10-4      [H+]  = 0.0001 M since, CO2 + H2O -----> H+  + HCO...

Q: Complete the following reactions and outline the mechanism for the formation of the product:

A: Click to see the answer

Q: To aid in the prevention of tooth decay, it is recommended that drinking water contain 0.800 ppm0.80...

A: Concentration of recommended fluoride in drinking water = 0.800ppm Diameter of the tank = 4.00 x 102...

Q: 8. Write the complete ionic equation for the reaction of K with water. 2K+2H20 2K+ 20H+ Ha Identify ...

A: Click to see the answer

Q: Use the molar bond enthalpy data in the table to estimate the value of AHxn for the equation C,H,(g)...

A: Click to see the answer

Q: How does CrBr3(s) break up in solution? Write subscripts and superscripts as normal numbers and do n...

A: Compounds dissociate to give respective cation and anion having positive and negative charges respec...

Q: A mass of 0.4113 g of an unknown acid, HA, is titrated with sodium hydroxide, NaOH. If the acid reac...

A: Click to see the answer

Q: How many milliliters of 0.727 M H3PO4 will contain the following? (a) 0.25 mol H3PO4 (b) 47.3 g H3PO...

A: Answer for (a) Volume in mL     = 343.88 mL   Answer for (b) Volume in mL     = 663.9 mL   Answer fo...

Q: [References) In a coffee-cup calorimeter, 110.0 mL of 1.3 M NAOH and 110.0 mL of 1.3 M HCl are mixed...

A: Total volume of the solution = 110.0 mL + 110.0 mL = 220mL Density of the solution = 1.0 g/cm3 = 1.0...

Q: The label on a pressurized can of spray disinfectant warns against heating the can above 130 °F. Wha...

A: Equation for the conversion of °F to °C: C = (F - 32) x 5/9 Given that: Temperature in °F = 130 C = ...

Q: Solve for the half life

A: Click to see the answer

Q: Give an IUPAC name for each of the following hydrocarbons as a derivative of benzene.

A: Answer

Q: Write the IUPAC name for the compound belo CH3 H2C=CHCHCH3

A: 3-methyl-butene           (or 3-methylbut-1-ene)

Q: Consider the Ksp values for two compounds:  MZ, Ksp = 1.5 × 10-20 and MZ2, Ksp = 1.5 × 10-20.  Why d...

A: Solubility of any salt is defined as the maximum amount of solute that can be dissolve in a solvent ...

Q: All of the following sets of quantum numbers are allowed EXCEPT: n = 6, l = 0, ml =+1 n = 5, l =...

A: The four quantum numbers are as follows: Main quantum number (n): It defines the number of shells i...

Q: If 40.0 g of hot water at 80.0oC is added to 60.0 g of cold water at 20.0oC, what is the final tempe...

A: The final temperature is 44 oC

Q: Provide an IUPAC name for the compound below.

A: Click to see the answer

Q: Need help on this question

A: Interpretation-  To draw a mechanism for the given reaction which is given as -                     ...

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. If the compo...

A: HClO4 is a strong acid.

Q: The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the tempe...

A: Heat capacity: The amount of heat required to increase the temperature of one gram of a substance by...

Q: While d-electrons in many transition metal compounds may not be involved directly in bond formation,...

A: While d-electrons in many transition metal compounds may not be involved directly in bond formation,...

Q: 7 & 7b

A: Mole is the amount of the substance that contains the same number of particles or atoms or molecules...

Q: Why aren't solids or liquids included in an equilibrium expression? Answer:

A: The equilibrium constant expression is the ratio of the concentrations of a reaction at equilibrium....

Q: show work

A: Buffer is a solution that resists the change in pH when small amount of acid or base is added to it....

Q: Complete combustion of 3.10 g of a hydrocarbon produced 9.96 g of CO2 and 3.40 g of H20. What is the...

A: The number of moles for a given chemical species refers to the ratio of mass to the molar mass. The ...

Q: Help! Please explain in detail. Thank you! Consider the following overall reaction and proposed mech...

A: The proposed mechanism is represented as follows:

Q: Complete the following reactions Mg h. H.C KCN H.C C. CHO Na HC-CH -B

A: Click to see the answer

Q: What is the empirical formula of a compound composed of 3.25% hydrogen (H), 19.36% carbon (C), and 7...

A: Answer The empirical formula is CH2O3   Plan: Convert the given % into g (Assuming the total as 100 ...

Q: Dilute solutions of the same weak acid (pK, = 4.5) ranging in concentration from 2 × 10“ M to 2x 10 ...

A: The titration curve is a plot representing the pH of solution vs quantity of base added. Ka is the a...

Q: 1s²2s 2p*3s' Express your answer as a chemical symbol.

A: Part A Excited electronic configuration is 1s2 2s2 2p4 3s1 1 electron from 2p transferred into 3s or...

Q: What is the parent chain of the following compound?

A: Parent chain: The parent chain of the organic compound has a maximum number of the carbon atom in th...

Q: Give an IUPAC name for each of the following hydrocarbons with the benzene ring as a substituent.

A: Click to see the answer

Q: How many electrons can have n = 50, l = 2. [Write your answer as a number.]

A: The main quantum number "n" is 50 and the azimuthal quantum number is "2". We know that the main qua...

Q: Number #1 show all the work please

A: Given: molar mass is close to 100 g/mol % carbon = 25.5 % % hydrogen = 6.38 % % sulphur = 68.1 %   L...

Q: Write a conclusion: Discuss the possible reason(s) the food dyes diffuse to form distinct zones and ...

A: When a drop of food dye is added to water, it will diffuse rather than the mixing process. Basically...

Q: Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KCIO, (s...

A: Click to see the answer

Q: Convert the following

A: We have unit relation  1atm = 101.3KPa = 29.92in Hg = 760mm of Hg = 14.69 psi = 760 torr

Q: Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D b...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: In a recent Grand Prix, the winner completed the race with an average speed of 229.8 km/h. What was...

A: Click to see the answer