All i know is that C and D are wrong because a skunk is an omnivore.
there is nothing with which it can react
Explanation:
Answer:
162.4g of CO2 are produced
Explanation:
The combustion of ethanol, C2H5OH, occurs as follows:
2C2H5OH + 7O2 → 4CO2 + 6H2O
<em>Where 2 moles of C2H5OH produce 4 moles of CO2.</em>
<em />
To solve this question we need to convert the mass of ethanol to moles. Then, the moles of ethanol to moles of CO2 using the balanced reaction and to mass:
<em>Moles C2H5OH -Molar mass: 46.07g/mol-</em>
85.0g * (1mol / 46.07g) = 1.845 moles C2H5OH
<em>Moles CO2:</em>
1.845 moles C2H5OH * (4mol CO2 / 2mol C2H5OH) = 3.69 moles CO2
<em>Mass CO2-Molar mass: 44.01g/mol-:</em>
3.69 moles CO2 * (44.01g/mol) =
<h3>162.4g of CO2 are produced</h3>
Answer:
The answer is D
Explanation:
I took a test with this question and it came out correct:)
Answer:
(a) ν = 3.1 × 10¹³ s⁻¹
(b) λ = 3.467 μm
Explanation:
We can solve both problems using the following expression.
c = λ × ν
where,
c: speed of light
λ: wavelength
ν: frequency
(a)
c = λ × ν
ν = c / λ
ν = (3.000 × 10⁸ m/s) / (9.6 × 10⁻⁶ m)
ν = 3.1 × 10¹³ s⁻¹
(b)
c = λ × ν
λ = c / ν
λ = (3.000 × 10⁸ m/s) / (8.652 × 10¹³ s⁻¹)
λ = 3.467 × 10⁻⁶ m
λ = 3.467 × 10⁻⁶ m (10⁶ μm/ 1 m)
λ = 3.467 μm
