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Nikitich [7]
3 years ago
6

Does SiF4 have polar covalent bonds?

Chemistry
1 answer:
Kamila [148]3 years ago
8 0

Answer:

SiF4 is not a polar covalent bond.

Explanation:

SiF4 is a nonpolar molecule because the fluorine's are arranged around the central silicon atom in a tetrahedral molecule with all of the regions of negative charge cancelling each other out.

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A goup of cells that work together to perform a specific function.
algol13

Answer:

Cell Differentiation and Tissue.

Explanation:

tissues are organized communities of cells that work together to carry out a specific function.

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3 years ago
Identify the solution that contains both the solute and solvent in the solid phase. A) air B) NaCl C) bronze D) salt water
Iteru [2.4K]

Answer:prolly c

Explanation:

5 0
3 years ago
Type the correct answer in the box. Express your answer to three significant figures.
satela [25.4K]

Answer:

The partial pressure of argon in the jar is 0.944 kilopascal.

Explanation:

Step 1: Data given

Volume of the jar of air = 25.0 L

Number of moles argon = 0.0104 moles

Temperature = 273 K

Step 2: Calculate the pressure of argon with the ideal gas law

p*V = nRT

p = (nRT)/V

⇒ with n = the number of moles of argon = 0.0104 moles

⇒ with R = the gas constant = 0.0821 L*atm/mol*K

⇒ with T = the temperature = 273 K

⇒ with V = the volume of the jar = 25.0 L

p = (0.0104 * 0.0821 * 273)/25.0

p = 0.00932 atm

1 atm =101.3 kPa

0.00932 atm = 101.3 * 0.00932 = 0.944 kPa

The partial pressure of argon in the jar is 0.944 kilopascal.

5 0
3 years ago
Predict whether litmus paper will turn red or blue when dipped in:
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Answer:

a. blue, b. red, c. red, d. basic - blue

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a.washing powder ( containing sodium carbonate ) basic -blue

b. orange juice ( containing citric acid )- acidic -red

c. lemonade ( containing H2CO₃ )-acidic - red

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7 0
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At the boiling point, the vapor pressure of a liquid is equal to the atmospheric pressure.
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