3 years ago

ASAP pleaseee and Thankyou

Chemistry

2 answers:

jeka943 years ago

5 0

Answer:

i think 50%

Explanation:

Yuki888 [10]3 years ago

3 0

25 percent you’re welcome

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The surface temperature on Venus may approach 757 K. What is this temperature in degrees Celsius?

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Explanation:

1 ) Temperature of Venus in Kelvins = 757 Kelvins

$0^oC=273 Kelvins$

Temperature of Venus in degrees Celsius = $757-273 K=484 K$

2 ) Temperature on Mercury at night = $-269^oF$

$(T)^oC=((T)^oF-32)\times \frac{5}{9}$

$(T)^oC=((-269)^oF-32)\times \frac{5}{9}=167.22^oC$

Temperature on Mercury at night in degree Celsius = 167.22° C

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A given solution has 42.5 g NaNO3 in 1500 mL of water. What is the molarity of this solution? Show your work, rounding the atomi

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Where does the heat that is needed to warm the surface of the ocean come from? A. the Sun B. the Earth's interior C. animals D.

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A. The Sun

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How many water molecules are generated when 3.60 moles of ammonia react according to the following equation:

MissTica

Answer:

3.25 × 10²⁴ molecules of water

Explanation:

Step 1: Write the balanced equation

3 PbO + 2 NH₃ → 3 Pb + N₂ + 3 H₂O

Step 2: Calculate the moles of water formed from 3.60 moles of ammonia

The molar ratio of NH₃ to H₂O is 2:3. The moles of water formed are 3/2 × 3.60 mol = 5.40 mol

Step 3: Calculate the molecules in 5.40 moles of water

We will use Avogadro's number: 6.022 × 10²³ molecules/mol.

5.40 mol × 6.022 × 10²³ molecules/mol = 3.25 × 10²⁴ molecules

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3 years ago

ASAP pleaseee and Thankyou​​

ASAP pleaseee and Thankyou