This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Determine the heat given off to the surroundings when 9.0 g of aluminum reacts according to the ... (Read 20 times)

mustachegiraffe

  • Full Member
  • ***
  • Posts: 179
on: Nov 5, 2023

Question 1

Concerning the reaction
C(graphite) + O2(g) → CO2(g)
ΔH° = –393 kJ/mol
how many grams of C(graphite) must be burned to release 275 kJ of heat?

◦ 0.70 g
◦ 8.40 g
◦ 12.0 g
◦ 17.1 g
◦ 22.3 g

Question 2

Determine the heat given off to the surroundings when 9.0 g of aluminum reacts according to the equation 2Al + Fe2O3→ Al2O3 + 2Fe, ΔH°rxn= –849 kJ/mol.
◦ 1.4 × 102 kJ
◦ 2.8 × 102 kJ
◦ 5.6 × 102 kJ
◦ 2.5 × 103 kJ
◦ 7.6 × 103 kJ
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

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

ryanb

  • Full Member
  • ***
  • Posts: 164
Reply #1 on: Nov 5, 2023
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 45% of students answer this correctly


mustachegiraffe

  • Member
  • Posts: 179
Reply 2 on: Nov 5, 2023
:D TYSM

vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro
In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b
Indirect enzyme immunoassay. A patient's antibody reacts with the antigen, which is detected ... Indirect enzyme immunoassay. A patient's antibody reacts with the antigen, which is detected ...
Superficial lymph drainage pathways or watersheds determine the direction of lymphatic facilitation ... Superficial lymph drainage pathways or watersheds determine the direction of lymphatic facilitation ...
6. Nitric oxide reacts with oxygen to form nitrogen dioxide: 2 NO(g) + O2(g) ⇌ 2 NO2(g) What ... 6. Nitric oxide reacts with oxygen to form nitrogen dioxide: 2 NO(g) + O2(g) ⇌ 2 NO2(g) What ...
If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ... If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ...
Video: Pressure volume relationships - Normal inspiration and expiration

For a complete list of videos, visit our video library