Chemistry, 13.08.2020 19:01 criser1987zach

At 25°C, the following heats of reaction are known: 2C2H2 + 5O2 → 4CO2 + 2H2O ΔH = –2600.0 kJ C + O2 → CO2 ΔH = –394 kJ 2H2 + O2 → 2H2O ΔH = –572 kJ At the same temperature, calculate ΔH for the following reaction: 2C + H2 → C2H2 ΔH = ?

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 16:30

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

Answers: 1

Answer

Chemistry, 21.06.2019 22:30

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Answers: 1

Answer

Chemistry, 22.06.2019 03:00

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Answers: 1

Answer

Chemistry, 22.06.2019 04:30

Why is nh3 classified as a polar molecule

Answers: 2

Answer

You know the right answer?

At 25°C, the following heats of reaction are known: 2C2H2 + 5O2 → 4CO2 + 2H2O ΔH = –2600.0 kJ C + O2...

Questions

Mathematics, 18.10.2020 06:01

State the range of the relation. {(3,-2),(4,-3),(5,-4),(6,0)} *...

Chemistry, 18.10.2020 06:01

Question 26 Predict the position of an element with electron configuration (n-1)d', ns, where n 4....

Computers and Technology, 18.10.2020 06:01

In three to five sentences, describe how Linux is different from other operating systems....

Biology, 18.10.2020 06:01

1. SCIENTISTS HAVE DISCOVERED THAT BEFORE AN ERUPTION, EARTHQUAKES GENERALLY...

Biology, 18.10.2020 06:01

Exocytosis Mechanism used to move molecules into or out of a cell Osmosis Process where waste is released from a cell R...

Arts, 18.10.2020 06:01

This principle is defined as: "...created by visually reinforcing something we want the viewer to pay attention to. Focal points are areas of i...

History, 18.10.2020 06:01

What triggered the first opium war...

Mathematics, 18.10.2020 06:01

Read the problem. The Sweet Dreams Hotel has a total of 125 rooms. If 25 are vacant, what percent of the rooms at the Sweet Dreams Hotel are vacant? P...

History, 18.10.2020 06:01

Based on this passage, which sentence best describes Nancy Hart? A) She wanted to join the Tory militia. B) She supported American independence...

History, 18.10.2020 06:01

Who was the first president of the Continental Congress 1. Benjamin Franklin 2. John Hanson 3. Thomas Jefferson 4. John jay...

SAT, 18.10.2020 06:01

Cuanto representa una escala...

Health, 18.10.2020 06:01

Is my sister pretty she dont think so cuz her bf left her (btw this is her account)

Business, 18.10.2020 06:01

I NEED HELP PLEASE HELP ...

English, 18.10.2020 06:01

Which event takes place before Brock meets the dogs?...

English, 18.10.2020 06:01

Help me with this hard task and i suck you :* ...

English, 18.10.2020 06:01

Beowulf: mastery test...

Mathematics, 18.10.2020 06:01

How to change the fractions into equivalent fractions having the LCD 3/4...

History, 18.10.2020 06:01

How did John Locke's notion of the social contract influence the American colonists?...

Mathematics, 18.10.2020 06:01

The function f(x) is shown on the graph. On a coordinate plane, a curved line with 3 arcs, labeled f of x, crosses the x-axis at (negative 2, 0), (ne...

Mathematics, 18.10.2020 06:01

Greg has a job mowing lawns. He creates a table so that he can easily tell his parents how much he is earning.

More questions: Chemistry Another questions