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Ira Lisetskai [31]
2 years ago
14

The energy output from a chemical reaction is dependent on the amount of chemicals used.The table shows this relationship.What i

s a reasonable amount of energy output from the reaction of 32 moles of the chemicals?
A) 77 joules
B) 92joules
C) 110joules
D) 128joules

Mathematics
1 answer:
telo118 [61]2 years ago
6 0

Answer:

D

Step-by-step explanation:

You can see from the table that  joules out = 4x moles in

for 32 moles       32 * 4 = 128 joules

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Johnny is selling tickets to a school play. On the first day of ticket sales he sold 14 senior citizen tickets and 4 child ticke
FrozenT [24]

Johnny is selling tickets to a school play. On the first day of ticket sales he sold 14 senior (S) citizen tickets and 4 child (C) tickets for a total of $200. On the second day of ticket sales he sold 7 senior (S) citizen tickets and 1 child (C) ticket for a total of $92. What is the price of one child ticket?

14S + 4C = 200

14S = 200 - 4C

S = (200 - 4C)/14

7S + 1C = 92

7S = 92 - C

S = (92 - C)/7

(200 - 4C)/14 = (92 - C)/7

7 x (200 - 4C) = 14 x (92 - C)

1400 - 28C = 1288 - 14C

1400 - 1288 = 28C - 14C

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C = 112/14 = 8

the price of one child ticket = $8

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FromTheMoon [43]
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alexgriva [62]

Answer:

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Step-by-step explanation:

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