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Crank
3 years ago
6

How is stoichiometry used to calculate energy absorbed when a mass of

Chemistry
1 answer:
11111nata11111 [884]3 years ago
4 0

Answer: B. Grams liquid x mol/g x A Hvap

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Given the following information: formic acid = HCOOH acetic acid = CH3COOH HCOOH is a stronger acid than CH3COOH (1) Write the n
eimsori [14]

Answer:

Explanation:

Attach is the net ionic equation

4 0
4 years ago
What mass of silver oxide, ag2o, is required to produce 25.0 g of silver sulfadiazine, agc10h9n4so2, from the reaction of silver
LenaWriter [7]
Step  one write  the chemical   equation  for  reaction
=  Ag2O  +  2(C10H10N4SO2)---> 2 ( AgC10H9N4SO2)

The   reacting  ratio  of  Ag2O  to  AgC10H9N4SO2  is  1:2  from   the  reaction  above
    
step  2;  find  the  number  of  moles  of  AgC10H9N4SO2
that is  mass/molar  mass
The  molar  mass  of  AgC10H9N4SO2  =  107.86  +(12 x10) + (1 x 9) +  (4 x  14) +32 +(16 x2) =356.86g/mol
moles  is  therefore=  25g/356.86g/mol=  0.07moles

by  use  of  mole  ratio  the  moles   of  Ag2O=  0.0702=0.035moles
mass  =  moles x  molar  mass
the  molar  mass  of  Ag2O=231.72 g/mol
mass  is therefore=  231.72g/mol  x  0.035moles= 8.11grams

5 0
4 years ago
According to the Big Bang Theory, the Universe is expanding. Galaxies are constantly shifting away from one another at different
vivado [14]

According to the Big Bang Theory, the Universe is expanding, hence option A is correct

<h3>What is the Big Bang theory?</h3>

Big Bang Theory is a theory about the origin and the nature of the universe and the earth we live in.

According to the theory, the universe started at an energized tiny point and exploded with a great force.

Learn more about the Big Bang Theory here:

brainly.com/question/17209127

#SPJ1

5 0
2 years ago
¿ que uso e damos ala tecnología en nuestra vida diaria ? ¿que impacto tendría el no contar con la tecnología? ¿cuales son las n
Zinaida [17]

Answer:

We in daily life use technology to pay virtually through virtual wallets, work at home, purchase packages to travel abroad, many businesses handle virtual advertising, that is why it is called the new "market window" to social networks or internet pages, university universities playful methods through virtual campuses or virtual classes.

The serious impact is very great since many of the activities of daily life change, and they will return to being as before the technology affected in our lives, reversing customs and technological generations.

The new technologies are: computer science, engineering, arquetectonica, scientific, industrial, commercial ... Where a fourth industrial revolution arises where many processes that were carried out by humans today would be automated by computers or technological devices that improve market efficiency, of consumption and industrialization.

Explanation:

In addition, new technologies are those that are based on electronic devices that are based on social communication, the development of social networks and technology based on global communications.

5 0
4 years ago
CH4(g)+O2(g)→CO2(g)+H2O(g). What mass of water is produced from the complete combustion of 5.00×10−3 g of methane?
bixtya [17]

Answer:

1gram of water

Explanation:

First balance the equation

Ch4+2O2>CO2+2H2O

Ratio is 1:2

500×10-3what about 2?

500×10-3×2=1g

1g of water

4 0
3 years ago
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