Explain how many atoms of he gas are present

Assignment Help Chemistry
Reference no: EM13294020

How many atoms of He gas are present in a 450 mL container at 35°C and 740 mmHg?

Reference no: EM13294020

Questions Cloud

What is the shaft torque at full load : 1. A 3 phase, wye connected synchronous generator rated at 10kVA, 230V has a synchronous reactance of 1.2 ohms per phase and an armature resistance of 0.5 ohms per phase. Calculate the percent voltage regulation at full load if the power fact..
Discuss naturalism using canterburry tales : What were the consequences of contagious such as the plague, or the Black Death (pg.312) the late medieval literary accomplishments including the movement known as naturalism in literature. Discuss naturalism using Canterburry tales, Painting by jacq..
Compute the maximum height attained by the rocket : A model rocket launches with an initial velocity of 6 m/s, at an angle of 88 degrees (with respect to the horizon). What is the maximum height attained by the rocket
What would abc drilling total value be if it had no debt : A similar firm with no debt has a cost of equity of 12%. Under the MM extension with growth, what would ABC Drilling's total value be if it had no debt?
Explain how many atoms of he gas are present : How many atoms of He gas are present in a 450 mL container at 35°C and 740 mmHg
What is the maximum height attained by the rocket : A model rocket launches with an initial velocity of 6 m/s, at an angle of 88 degrees (with respect to the horizon). What is the maximum height attained by the rocket
Determine the average power delivered to the resistor : A current source i(t) is connected to a 50 ohm resistor. Find the average power delivered to the resistor, given that i(t)is: a) 5 cos 50t A b) 5cos(50t-45 degrees A c) 5 cos 50t-2cos(50t-.873) A d) 5 cos 50t-2 A
Perspectives in the balanced scorecard : In your opinion, what are the most difficult aspects of simultaneously balancing the four perspectives in the balanced scorecard? Be specific and give examples.
Determine the internal rate of return using interpolation : Home Security Systems is analyzing the purchase of manufacturing equipment that will cost $48,000.

Reviews

Write a Review

Chemistry Questions & Answers

  Find what was the unknown volume

An unknown volume of water at 18.2 degrees Celsius is added to 21.6 mL of water at 35.0 degrees Celsius. If the final temperature is 23.5 degrees Celsius, what was the unknown volume. Assume that non heat is lost to the surroundings; d of water is..

  What is the expected freezing point of a solution

What is the expected freezing point of a solution of 110.5 g of H2SO4 in 225 g of water? Assume sulfuric acid completely dissociates in water.

  Explain shorthand notation for the galvanic cell reaction

The shorthand notation for the galvanic cell reaction Fe3+(aq) + 2 I-(aq) ? Fe2+(aq) + I2(s) requires an inert electrode on A) only on the right side of the salt bridge

  State an insulated tank contains half liquid and half vapor

An insulated tank contains half liquid and half vapor by volume in equilibrium. The release of a small quantity of vapor without the addition of heat will cause

  Stepwise mechanism of the reaction

Could you tell me what is the purpose of this reaction (Michael and aldol condensation reactions), and the stepwise mechanism of the reaction.

  Explain what volume of di water must be added to complete

If you were transferring 0.2 mL of stock solution to another vial in order to begin performing a 1:5 serial dilution, what volume of DI water must be added to complete the dilution?

  Compute deltas and deltas total

Calculate deltaS, deltaStotal, and deltaSsurroundings when the volume of 84.0g of CO initially at 298K and 1.00bar increases by a factor of four in (a) an adiabatic reversible expansion, (b) an expansion againt Pexternal=0, and (c) an isothermal r..

  What volume of 0.855 m koh solution is required

What volume of 0.855 M KOH solution is required to make 3.55 L of a solution with pH of 12.4?

  State most accurately describes the basic units of substance

Assign each species to the expression that most accurately describes the basic units of that substance.

  How many moles of h2so4 must be present to react completely

How many moles of H2SO4 must be present to react completely with the NaOH delivered from the buret.

  Explain what is the specific heat of the metal

the thermal equilibrium temperature of the metal sample plus water mixture is 24.6 *C. what is the specific heat of the metal?

  Explain nonpolar covalent based solely on element''s

Consider the following element combinations. Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent based solely on each element's position on the periodic table

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