Chemistry, 20.11.2020 16:30 nomad4547

For each of the following, Identify the system and its surroundings and give the direction of the heat flow:. a. Methane gas burning in a gas furnace b. Two chemicals are mixed in a flask sitting on a laboratory bench. A reaction occurs and heat is evolved. c. Water drops sitting on your skin, after a dip in a swimming pool, evaporates.

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 01:40

Non renewable resources like petroleum eventually

Answers: 2

Answer

Chemistry, 22.06.2019 02:40

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

Answers: 1

Answer

Chemistry, 22.06.2019 05:40

Can someone me with 1 to 4 plz. fast

Answers: 1

Answer

Chemistry, 22.06.2019 13:50

How does the motion of particles in a gas change as the gas cools

Answers: 2

Answer

You know the right answer?

For each of the following, Identify the system and its surroundings and give the direction of the he...

Questions

Social Studies, 07.12.2019 02:31

Wealthy merchants were: a. near the bottom of the confucian status ladderb. second-class citizensc. often buddhist d. responsi...

Mathematics, 07.12.2019 02:31

Claim: the standard deviation of pulse rates of adult males is more than 11 bpm. for a random sample of 171 adult males, the pulse rates have a stand...

Mathematics, 07.12.2019 02:31

Three students were given the expression shown (4-9x+21 ) and were asked to take a common factor out of two of the terms. use the drop-down menus to c...

English, 07.12.2019 02:31

Identify the adjective phrase in the following sentence: i saw a pitiful closeup photograph of elizabeth. a. pitiful closeup...

Biology, 07.12.2019 02:31

The diagram shows waves of sound travelling through the air. by which factor is the sound intensity decreased at 3 meters? a)...

Mathematics, 07.12.2019 02:31

H(x)=-x^2+8x+22h(x)=−x 2 +8x+22, determine the average rate of change of the function over the interval -2\le x \le 7−2≤x≤7....

English, 07.12.2019 02:31

what are 10 questions you would ask thomas jefferson regarding declaration of independence? ? imagine his answers as well....

Mathematics, 07.12.2019 02:31

Afountain holds 12,500 gallons of water. joe wants to find how many liters that is. which proportion could he use to solve for the number of liters?...

Mathematics, 07.12.2019 02:31

Midpoint formula: find the coordinates of the midpoint of the segment joining the given1. (0, 2) and (6,4)...

English, 07.12.2019 02:31

Which of these is a feature of gothic writing different from other romantic genres...

English, 07.12.2019 02:31

Co what can you infer? o. henry, whose real name was william sydney porter, wrote the short story "the gift of the magi." it was publishe...

Mathematics, 07.12.2019 02:31

Find the perimeter of a square with side a. are the perimeter of the square and the length of its side directly proportional quantities? a=2 cm...

Mathematics, 07.12.2019 02:31

Asnail moves at a speed of 8.394 inches per minute. if the snail keeps moving at this rate, about how many inches will it travel in 7.498 minutes?...

Mathematics, 07.12.2019 02:31

Answer it correctly i need it today show work

Mathematics, 07.12.2019 02:31

16. the height h, in feet, of a model rocket t seconds after launch is given by h = 256t – 16ť. as the rocket descends, it deploys a recovery pa...

Mathematics, 07.12.2019 02:31

which comparison is true? a) 0.073 < 0.068 b) 0.033 > 0.04 c) 0.077 > 0.38 d) 0.067 < 0.61...

Mathematics, 07.12.2019 02:31

Auniversity administered a survey to all incoming students regarding living arrangements for the upcoming school year. the results of the survey are d...

Health, 07.12.2019 02:31

If a loved one of yours died, would your mental health decrease?...

Mathematics, 07.12.2019 02:31

Gets 5(multiple choice worth 4 points) (04.03) the table shows the relationship of how many pounds of cherries are needed to make a certain number of...

Mathematics, 07.12.2019 02:31

Hi can someone check these : -) wait for me to attach the pictures if you don’t see them yet.

More questions: Chemistry Another questions