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2 years ago

NaF + HCL=> NACL + HF

Chemistry

1 answer:

Jobisdone [24]2 years ago

4 0

Answer:

NaF + HCl --> NaCl + HF

Explanation:

hope it helps you

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If a pork roast must absorb

Black_prince [1.1K]

Let us assume propane was the fuel
C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(g) = 2217kJ
1 mole ofpropane produces 3 moles of CO2
heat absorbed by pork = 0.11 x 2217
= 243.87 kJ/mol
number of moles of propane = 1700kJ / 243.87 kJ/mol
= 6.971 moles
1 mole of C3H8 = 3 moles ofCO2
6.971 moles of C3H8 = ?
3 x 6.971 = 20.913 moles of CO2
Convert to grams
mass = MW x mole
= 44 x 20.913
= 920.172g of CO2 emitted

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3 years ago

3. Describe the process of heat transfer by conduction. What happens to the molecules that cause the thermal energy to be transf

ivanzaharov [21]

It is transferred by conduction when two objects at two different temps touch each other, and the one with the most heat will transfer its heat to the cooler object until they both have the same temperature..
At the point of touching the fast moving molecules of the warmer object will collide with the slower moving molecules of the cooler object.

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4 years ago

How do hurricanes lose their energy?

guapka [62]

Over land or over cooler water they start to lose their power

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3 years ago

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A gas has a pressure of 3.33 kPa at 343 K. What will the new pressure be at 655 K if the volume does not change?

choli [55]

New pressure would be 6.36 kPa

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3 years ago

What is the mass of 4.67 mol of Sulfuric Acid (H2SO4)

Ivahew [28]

<h3>Answer:</h3>

458 g H₂SO₄

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

Reading a Periodic Table

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

4.67 mol H₂SO₄

<u>Step 2: Identify Conversions</u>

[PT] Molar Mass of H - 1.01 g/mol

[PT] Molar Mass of S - 32.07 g/mol

[PT] Molar Mass of O - 16.00 g/mol

Molar Mass of H₂SO₄ - 2(1.01) + 32.07 + 4(16.00) = 98.09 g/mol

<u>Step 3: Convert</u>

Set up: $\displaystyle 4.67 \ mol \ H_2SO_4(\frac{98.09 \ g \ H_2SO_4}{1 \ mol \ H_2SO_4})$
Multiply/Divide: $\displaystyle 458.08 \ g \ H_2SO_4$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

458.08 g H₂SO₄ ≈ 458 g H₂SO₄

6 0

3 years ago