This topic contains a solution. Click here to go to the answer

Author Question: An endothermic reaction causes the surroundings to (Read 45 times)

jenniferbaugh1984

  • Full Member
  • ***
  • Posts: 158

Question 1

An average home in Colorado requires 20. GJ of heat per month.  How many grams of natural gas (methane) must be burned to supply this energy?
         CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)     ΔH°rxn= –890.4 kJ/mol
◦ 7.1 × 10–4 g
◦ 1.4 × 103 g
◦ 1.4 × 104 g
◦ 2.2 × 104 g
◦ 3.6 × 105 g

Question 2

An endothermic reaction causes the surroundings to
◦ warm up.
◦ become acidic.
◦ condense.
◦ decrease in temperature.
◦ release CO2.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jenniferbaugh1984 on Nov 5, 2023

hariet5

  • Full Member
  • ***
  • Posts: 157
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly




jenniferbaugh1984

  • Member
  • Posts: 158
Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it


Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

For a complete list of videos, visit our video library