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Ad libitum [116K]
2 years ago
12

Which tool would a scientist use to measure reaction energy?

Chemistry
2 answers:
umka2103 [35]2 years ago
7 0

Answer:

Calorimeter

Explanation:

Hi there ,

Your answer is calorimeter and it is a device for measuring the heat developed during a mechanical, electrical, or chemical reaction,

ioda2 years ago
3 0

Answer:

calorimeter

Explanation:

it measures the amount of heat in a reaction

i took the quiz

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During the war where did African-Americans receive the best treatment?
Sindrei [870]

Hope this helps. Sorry of it is long

Answer: military

African Americans received the best treatment in the military during war. Making up about 3/4 of the military, African American soldiers proved their efficiency and ability to serve the country, thus receiving more respect from society than if they were to work in more "common" jobs, for example in a factory. However, while they received the best treatment in the military during the war, African Americans still faced segregation within the units of the military, an important fact to note.

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3 years ago
When 429 mmhg of argon, 1.2 atm of neon, and 225 mmhg of helium are mixed, what is the total pressure?
Dmitry_Shevchenko [17]

The total pressure  1566 mm Hg.

Pressure is the force applied perpendicular to the floor of an object per unit location over which that pressure is shipped. Gauge strain additionally spelled gage pressure is the pressure relative to the ambient stress. pressure.

The SI unit of stress is pascal which is identical to one newton in keeping with rectangular meter. apparently, this name was given in 1971. earlier than that pressure in SI became measured in newtons in line with square meter.

Partial pressure of Argon = 429 mm Hg

Partial pressure of Neon = 1.2 atm

   ∵ 1 atm = 760 mm Hg

=> 1.2 atm = 1.2 * 760 mm Hg

                 = 912 mm Hg

Partial presser of He = 225 mm Hg

S0, Total pressure = Par + P ne + P he

                              =  ( 429 + 912 + 225 ) mm Hg

                              = 1566 mm Hg

Learn more about pressure here:-brainly.com/question/25965960

#SPJ4

6 0
1 year ago
How many moles of ethyl alcohol, C2H6O, are in a 16.0 g sample
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=0.348 (to correct sig figs)
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