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Sonbull [250]
3 years ago
10

Which three types of electromagnetic waves have longer wavelengths than the waves that make up visible light?

Chemistry
2 answers:
laila [671]3 years ago
8 0

Answer:

<h3>O microwaves, radio waves, infrared light</h3>

Explanation:

Katena32 [7]3 years ago
5 0

Answer:

O microwaves, radio waves, infrared light

Explanation:

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Sulfur dioxide gas (SO2) reacts with excess oxygen gas (O2) and excess liquid water (H2O) to form liquid sulfuric acid (H2SO4).
inessss [21]
A.2SO₂ + O₂ + 2H₂O → 2H₂SO₄
B.Moles of SO₂ = 67.2 / 22.4Moles of SO₂ = 3 molesMoles of H₂SO₄ = 3 molesMass of H₂SO₄ = 3 x 98Mass of H₂SO₄ = 294 grams
Assuming sulfuric acid to have the same density as water,density = 1000 g / LVolume = mass / densityVolume = 294 / 1000Volume = 0.29 liters of sulfuric acid

6 0
3 years ago
Read 2 more answers
If you burn 55.6 g of hydrogen and produce 497 g of water, how much oxygen reacted?
tester [92]

Answer:

441.28 g Oxygen

Explanation:

  • The combustion of hydrogen gives water as the product.
  • The equation for the reaction is;

2H₂(g) + O₂(g) → 2H₂O(l)

Mass of hydrogen = 55.6 g

Number of moles of hydrogen

Moles = Mass/Molar mass

          = 55.6 g ÷ 2.016 g/mol

          = 27.8 moles

The mole ratio of Hydrogen to Oxygen is 2:1

Therefore;

Number of moles of oxygen = 27.5794 moles ÷ 2

                                               = 13.790 moles

Mass of oxygen gas will therefore be;

Mass = Number of moles × Molar mass

Molar mass of oxygen gas is 32 g/mol

Mass = 13.790 moles × 32 g/mol

<h3>          = 441.28 g</h3><h3>Alternatively:</h3>

Mass of hydrogen + mass of oxygen = Mass of water

Therefore;

Mass of oxygen = Mass of water - mass of hydrogen

                          = 497 g - 55.6 g

<h3>                           = 441.4 g </h3>
6 0
4 years ago
Read 2 more answers
1. Element X has two naturally occurring isotopes. Its first isotope has a mass of 28.0 amu
riadik2000 [5.3K]
28.0 x 0.6424 = 18
25.0 x .6424 = 16.1
Mass = 34.1
5 0
3 years ago
A large piece of cork has a density of 0.251 g/cm3 and a volume of 1000.0 cm3. Calculate the mass of the cork.
Archy [21]

Answer:

<h2>251 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question we have

mass = 0.251 × 1000

We have the final answer as

<h3>251 g</h3>

Hope this helps you

4 0
3 years ago
In the reaction ______H2+N2-&gt;2NH3 What coefficient should be placed in front of H2 to balance the reaction?
Paladinen [302]
3 should be placed in front of H2
5 0
3 years ago
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