Find out the volume of helium at 745 mmhg

Assignment Help Chemistry
Reference no: EM13302067

A sample of helium gas occupies 1045 mL at 621 mmHg. For a gas sample at a constant temperature, determine the volume of helium at 745 mmHg.

Reference no: EM13302067

Questions Cloud

How many directors can cumulonimbus elect : Sharpe Products has 1 million outstanding shares and 9 directors. Cumulonimbus Holdings owns 175,000 shares of Sharpe. How many directors can Cumulonimbus elect with cumulative voting?
Successive stages of the product life cycle : Managing the product through successive stages of the product life cycle is an important role for a product manager. Assess the three ways to manage a product through its life cycle including examples to help clarify your assessment.
Determine the pressure head at the top of the dome : A closed cylindrical tank filled with water has a hemispherical dome and is connected to an inverted piping system. The liquid in the top part of the piping system has a specific gravity of 0.68.
How would jenny best utilize her income for the month : What categories and in what amounts should Jenny allocate her funds to reflect a balanced monthly budget? Include the main categories as well as examples of other categories.
Find out the volume of helium at 745 mmhg : A sample of helium gas occupies 1045 mL at 621 mmHg. For a gas sample at a constant temperature, determine the volume of helium at 745 mmHg.
What percentage of the payment represents interest : What percentage of the payment represents interest and what percentage represents principal for each of the 3 years? Round all answers to the nearest hundredth.
What is the focal length of the negative lens : A student places an object on the 5.0 cm mark of the meter stick. He places a positive lens that he knows has a focal length of 15.0 cm at the 30.0 cm mark on the meter stick. From the data what is the focal length of the negative lens
Explain bohr model and the red line on the spectrum : According to Bohr model, the red line on the spectrum is hydrogen changing from what state (ni= ?) and to what state (nf = ?) ? Give calculation steps below to prove your choice.
What is the dollar amount of each payment jan receives : Jan must report on Schedule B of her IRS Form 1040 the amount of interest that was included in the 2 payments she received during the year.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain low phosphate concentration

Determine whether each of the following causes an increase or decrease in the activity of the electron transport chain. 1. High NADH concentration

  Compute the exact concentration of sodium hydroxide

Calculate the exact concentration of your sodium hydroxide using the date from each trial separately. determine the average of the three trial

  Conceptual organic chemistry observe after elution

Discuss what you would observe after elution and visualization of a TLC plate having made the following mistakes in carrying out the analysis. Conceptual Organic chemistry

  Explain the equation how many grams of zn will remain

according to equation, how many grams of Zn will remain after the reaction is complete? Equation [5] = CuSO4 (aq) + Zn (s) ----> ZnSO4 (aq) + Cu (s)

  Explain how do you calculate the hydrogen ion concentration

how do you calculate the hydrogen ion concentration in moles per liter for a solution with at pH value of 11.21? Need the steps please.

  Calculate the percentage of limestone converted to calcium

Assume that the wet limestone process requires 1 metric ton of CaCO3 to remove 90% of the sulfer from 4 metric tons of coel containing 2% S. Assume that the sulfur product is CaSO4. Calculate the percentage of the limestone converted to calcium su..

  Calculate ph of the solution

a 1.00L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate pH of the solution after the addition of 100.0mL of 1.00M HCl. Ka for HF is 3.5x10^-4

  Define the half-life of a compound

What is the half-life of a compound if 63 percent of a given sample of the compound decomposes in 72 min? Assume first-order kinetics.

  Define sodium and magnesium

For which of the following pairs are the atoms most likely to form an ionic bond with each other? A) carbon and oxygen B) calcium and chlorine C) chlorine and oxygen D) sodium and magnesium

  Describe oxygen and water and carbon dioxide

When nitroglycerin explodes it produces nitrogen, oxygen and water and carbon dioxide. If the heat of reaction is -5692 kj/mol how much heats released when 4.5 g of the explosive reacts

  Explain atrazine is an herbicide widely used for corn

Atrazine is an herbicide widely used for corn and is a common groundwater pollutant in the corn-producing regions of the United States. The log Kow for atrazine is 2.65.

  Compute the so2 content in parts per million

A sample of air contains 0.130 ug/L SO2. Given that the density of the air sample is 1.19 g/L, calculate the SO2 content in parts per million by weight.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd