Question: please help with this two question 7. What is the volume of oxygen required for the complete combustion of 50cm3 of methane at room temperature

please help with this two question

7. What is the volume of oxygen required for the complete combustion of 50cm3 of methane at room temperature and pressure? A. 100cm3 B. 50cm3 C. 25cm3 D. 10cm3 8. When excess sulphur is burnt with 1mol of oxygen to form sulphur dioxide, which of the following statements are correct? (Assume that the volumes of gases are all measured at room temperature and pressure; molar volume of gas at room temperature and pressure =24.0dm3mol1 ) (1) The mole ratio of sulphur dioxide to oxygen is 1:1. (2) 24.0dm3 of sulphur dioxide form. (3) 24.0dm3 of oxygen are consumed. A. (1) and (2) only B. (1) and (3) only C. (2) and (3) only D. (1), (2) and (3)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemistry Questions!

1. 5g of catefum carbonate takes 250s to react with hydrochloric acid completely. What is the average rate of the reaction? (Relative atomic masses: C=12.0,O=16.0,Ca=40.1 ) A. 0.16mols1 B. 0.020mols1...

Please help with this two questions , thank you so much 9. At room temperature and pressure, 0.8dm3 of ammonia gas is bubbled into 120cm3 of 1.50M nitric acid. What is the mass of ammonium nitrate...

Chapter 5: Hazardous Waste Site Clean-Up Technologies IN THIS CHAPTER Treatment technologies for contaminated hazardous waste sites Containment technologies for contaminated sites Innovative...

Unit A - Energy and Matter Exchange in the Biosphere G.O. #2 - Biogeochemical Cycles Chapter Exam (V5) PART I: Machine Scored (50 marks) 1. The hydrologic cycle is driven by A. the sun B. the earth's...

Question 5: [10 pts] In the infrared (IR) spectrum of p-chlorobenzaldehyde, a peak around 1690cm1 is lost in that of the products. This peak was representative of a (functional group). The new, large...

Review Questions 1. Explain how a polymer and its monomers are similar 7. Your friend is going to try to follow a "no-fat" diet. to a freight train and its cars. 2. Identify each of the following...

What type of isomerism is shown in the following two molecules (see figure 1 below)? Figure 1 a. Structural Isomerism b. Positional Isomerism c. Molecular Isomerism d. Constitutional Isomerism...

Select an organisation with which you are familiar and write a report on how you would transform a clearly defined segment of the organisation into a sustainable business segment. Do not select an...

Hi dear Tutor please help me with these questions. please answer all. Thank you in advance cricau shuth Columbia broke' or Fexas while returning from a in space on Fichruan' 1.2003. of the seren...

Jeremiah Restoration Company completed the following selected transactions during January: January 1. Established a petty cash fund of $900. 12. Cash sales for the day, according to cash registers,...

A $4000 debt due in four years was paid with $3885.35 cash. If money is worth 7% compounded monthly, how many months before the due date was the debt paid?

Q 9 : Gulf Controls, Inc., has a net profit margin of 1 0 percent and earnings after taxes of $ 6 0 0 , 0 0 0 . Its current balance sheets follow: Balance Sheet Gulf Controls Inc., Current Assets $ 1...

What are the 3 major influencing factors on the performance of a hash table? Briefly explain how these factors impact on performance...

7. If we compare the betas of various investment opportunities, why do the assets that have higher betas also have higher average expected rates of return? LO37.7

6. An investment has a 50 percent chance of generating a 10 percent return and a 50 percent chance of generating a 16 percent return. What is the investments average expected rate of return? LO37.7...

12. last word Why is it so hard for actively managed funds to generate higher rates of return than passively managed index funds having similar levels of risk? Is there a simple way for an actively...