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svlad2 [7]
3 years ago
14

Need help now please Which model accurately represents the chemical equation 2H2 + O2è 2H2O?

Mathematics
1 answer:
maw [93]3 years ago
6 0

Answer:

B

Step-by-step explanation:

-The balanced chemical reaction of oxygen and water is written as:

2H_2_{(g)}+O_2_{(g)}->2H_2O_{(l)}

-You notice that 2 moles of hydrogen gas reacts with one mole of oxygen gas to form 2 moles of water

-Hence, the correct choice is B

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Solve the following equation. 3x/7-2=15 (Must be a mixed number)
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39 \frac{2}{3}

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If f(x) and its inverse function, f^-1(x), are both plotted on the same coordinate plane, where is their point of intersection?
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Consider the following random experiment. First, roll a die and observe the number of dots facing up; then, toss a coin the numb
kipiarov [429]

Answer:

{(1, 0), (1, 1), (2,0), (2,1), (2, 2), (3,0), (3,1), (3,2), (3,3), (4, 0), (4,1), (4,2), (4,3), (4,4), (5,0), (5,1),(5,2), (5,3), (5,4), (5,5), (6,0), (6,1),(6,2), (6,3), (6,4), (6,5), (6,6)}

B.)

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Step-by-step explanation:

Sample space :

Die roll, then number of coin tosses based on the outcome of the die roll, then number of heada from the toss(es) is recorded along with the outcome of the die roll.

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Event that the total number of head is even:

{(2,2), (3,2), (4,2), (4,4), (5,2), (5,4), (6,2), (6,4), (6,6)}

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