2 years ago

Urgent : Hydrogen and oxygen react under a specific set of conditions to produce water according to the equation:

1 answer:

8 0

Hydrogen and oxygen react under a specific set of conditions to produce water according to the equation: 2H2(g)+O2(g) -> 2H2O(g)

I think, but i hope this helps :)

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Calculate the pH of a hydrochloride acid solution, HCl, whose hydronium ion (H3O)+ concentration is 8.29 X 10-4 M.

deff fn [24]

Answer:

Explanation:

Calculate the pH of a hydrochloride acid solution, HCl, whose hydronium ion (H3O)+ concentration is 8.29 X 10-4 M.

Note: answer should have three significant figures

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2 years ago

(a) the temperature on a warm summer day is 87 Â°f. what is the temperature in Â°c? (b) many scientific data are reported at 25

olchik [2.2K]

Answers:

(a) 30.55 °C

(b) 298 K and 77°F

(c) 204.44 °C and 477.44 K

(d) -320.8 °F and -196 °C

Explanation:

Converting °C into °F;

°F = °C × 1.8 + 32

Converting °F into °C;

°C = °F - 32 ÷ 1,8

Converting °C into K;

K = °C + 273

Converting K into °C;

°C = K - 273

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3 years ago

What happens when

jolli1 [7]

Answer:

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Explanation:

3 0

3 years ago

Describe the electron sharing between 2 oxygen atoms

erastova [34]

When two oxygen atoms get close to each other, the attractions from the nucleus of both atoms attract the outer electrons.

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2 years ago

How many millimeters are there in 5.12 x 10^5

Anton [14]

Answer:

5.12x10¹¹ millimeters

Explanation:

Milli is a prefix used in science and engineering to decribe the number as the exponent x10⁻³. In the prefix kilo, the number is at the exponent x10³.

5.12x10⁵ kilometers are:

5.12x10⁵ kilometers * (1000m / 1km) = 5.12x10⁸ meters

5.12x10² meters * (1m / 1000millimeters) = 5.12x10¹¹ millimeters

8 0

3 years ago