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PolarNik [594]
3 years ago
6

Which formula represents a substance that contains covalent bonds

Chemistry
2 answers:
almond37 [142]3 years ago
8 0
Ok a covalent substance is when a nonmetal and another nonmetal join together. Thenonly case where this happens is CO₂
pychu [463]3 years ago
6 0

The formula that represents a substance that contains covalent bonds  is


4. CO2


hope this helps

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The Henry's law constant (kH) for O2 in water at 20°C is 1.28 × 10−3 mol/(L·atm). (a) How many grams of O2 will dissolve in 4.00
Burka [1]

Answer:

Solubility of O₂(g) in 4L water = 3.42 x 10⁻² grams O₂(g)

Explanation:

Graham's Law => Solubility(S) ∝ Applied Pressure(P) => S =k·P

Given P = 0.209Atm & k = 1.28 x 10⁻³mol/L·Atm

=> S = k·P = (1.28 x 10⁻³ mole/L·Atm)0.209Atm = 2.68 x 10⁻³ mol O₂/L water.

∴Solubility of O₂(g) in 4L water at 0.209Atm = (2.68 x 10⁻³mole O₂(g)/L)(4L)(32 g O₂(g)/mol O₂(g)) = <u>3.45 x 10⁻² grams O₂(g) in 4L water. </u>

4 0
3 years ago
How well can you apply Charles’s law to this sample of gas that experiences changes in pressure and volume? Assume that pressure
Phoenix [80]

Answer:

As temperature increases the volume of given amount of gas increases while pressure and number of moles remain constant.

Explanation:

According to the charle's law,

The volume of given amount of gas is directly proportional to the temperature at constant pressure and number of moles of gas.

Mathematical expression:

V ∝ T

V = KT

V/T = K

When temperature changes from T₁ to T₂ and volume changes from V₁ to V₂.

V₁/T₁ = K        V₂/T₂ = K

or

V₁/T₁  = V₂/T₂

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6 0
3 years ago
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notka56 [123]

Answer:

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6 0
3 years ago
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How does sound travel through a solid?
Vedmedyk [2.9K]
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The camel stores the fat tristearin (C57H110O6) in its hump. As well as being a source of energy, the fat is also a source of wa
Aneli [31]

Answer:

1109 g H₂O

Explanation:

2.2 pounds can be converted to grams using a conversion ratio:

(2.2lb)(453.592g/lb) = 997.9024 g C₅₇H₁₁₀O₆

The mass in grams is converted to moles using the molecular weight of tristearin (891.48 g/mol)

(997.9024 g)(mol/891.48g) = 1.119...mol C₅₇H₁₁₀O₆

The moles of C₅₇H₁₁₀O₆ can be related to the moles of water through the molar ratio:

(1.119mol C₅₇H₁₁₀O₆)(110 H₂O/2 C₅₇H₁₁₀O₆) = 61.545 mol H₂O

The mass of water is then calculated using the molecular weight (18.02 g/mol):

(61.545 mol)(18.02 g/mol) = 1109 g H₂O

8 0
3 years ago
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