Question

The enthalpies of formation of the compounds in the combustion of methane, mc019-1.jpg, are CH4 (g): mc019-2.jpgHf = –74.6 kJ/mol; CO2 (g): mc019-3.jpgHf = –393.5 kJ/mol; and H2 O(g): mc019-4.jpgHf = –241.82 kJ/mol. How much heat is released by the combustion of 2 mol of methane?

A. mc019-5.jpg80.3 kJ
B.mc019-6.jpg802.5 kJ
C.mc019-7.jpg1,605.1 kJ
D.mc019-8.jpg6,420.3 kJ

Answer 1

_____ assists with understanding of life decisions to be made based on genetic testing results, stressing compassion in the face of scientific realities.

Answer 2

Help

Answer 3

PART A: Which of the following best identifies a central idea of this text?

A) By forming unions, workers protected their rights and made important social

Answer 4

Synthesis of 2-bromobutane from 1-butanol? My first instinct is just to do an SN2

Answer 5

Click on the box to choose whether the sentence is correct (C), contains a comma splice (CS), or is a fused sentence (FS).

Answer 6

Help please

Answer 7

ULTRIII MAKE MOREEE PERKS FOR PREMIUM YOU'D BE RICH XD

Answer 8

Biogenetically developed GMO foods are _____.

known to be delicious and good for

Answer 9

Do-it-yourself DNA-analysis kits can be ordered online and administered in the comfort of your own home.

Answer 10

The science of _____ studies the use of gene alteration, looking for ways in which to produce better plants and animals.

Answer 11

The science of _____ studies the use of gene alteration, looking for ways in which to produce better plants and animals.

Answer 12

Select the correct answers.
In this excerpt from act I, scene VI, of Macbeth, Duncan praises the atmosphere in the castle and the hospitality of his hostess

Answer 13

Currently, DNA analysis kits are so simple and cheap that the test can be administered by even the policemen patrolling the streets.

Answer 14

_____ has recommended ethics regulations to accompany the new genome advances.

G

Answer 15

DNA analysis, when conducted properly, is always a very accurate science yielding trustworthy results.

Answer 16

Much of the human genome is similar to every other human's genome. What percent of the human genome is truly unique to the individual and usable for DNA pro

Answer 17

Jason was part of team that had to calculate the incoming solar radiation and outgoing terrestrial infrared radiation.

Answer 18

When scientists know the specific identity of a gene causing a disease, it allows them to develop _______.

Answer 19

What is the correct term for blocked sunlight and reduced solar radiation as a result of a volcanic eruption?
When dust and ash particles from a volcanic er

Answer 20

All of the following except _____ are new sciences coming out of the Human Genome Project and the development of technology.