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never [62]
3 years ago
11

What do greenhouse gases (CO2) do to the atmosphere?

Chemistry
2 answers:
Alborosie3 years ago
4 0

Answer:

they causes climate change by trapping heat and also they contribute to respiratory diseases from smog and air pollution

Alina [70]3 years ago
4 0

Answer:

They add C02 to our atmosphere which can give plants and soils more CO2. It can also make our earths temperature change a ton!

Explanation:

Greenhouse gases produce an increase in the average surface temperature of the earth over time.

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Alum is a compound used in a variety of applications including cosmetics, water purification, and as a food additive. It can be
mylen [45]

yield = 52.23 %

Explanation:

We have the following chemical reaction:

2 Al (s) + 2 KOH (aq) + 4 H₂SO₄ (aq) + 10 H₂O → 2 KAl(SO₄)₂·12 (H₂O) (s) + 3 H₂ (g)

mass of aluminium = mass of bottle with aluminium pieces - bottle mass

mass of aluminium = 10.8955 - 9.8981 = 0.9974 g

mass of alum = mass of bottle with final product - bottle mass

mass of alum = 19.0414 - 9.8981 = 9.1433 g

number of moles = mass / molecular weight

number of moles of aluminium = 0.9974 / 27 = 0.03694 moles

number of moles of alum (practical) = 9.1433 / 474 = 0.01929 moles

To calculate the theoretical quantity of alum that should be obtained from 0.03694 moles of aluminium we devise the following reasoning:

if       2 moles of aluminium produce 2 moles of alum

then 0.03694 moles of aluminium produce X moles of alum

X = (0.03694 × 2) / 2 = 0.03694 moles of alum (theoretical)

yield = (practical quantity / theoretical quantity) × 100

yield = (0.01929 /  0.03694) × 100

yield = 52.23 %

Learn more about:

reaction yield

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5 0
3 years ago
What is a major problem with CFCs?
Pepsi [2]
The answer is C as it slowly destroys the ozone layer
8 0
2 years ago
Read 2 more answers
Which of these is a mixture?Oxygen, air, sugar or common salt
Westkost [7]
Air is a mixture of several gasses
3 0
3 years ago
Explain the energy transformation that occurs when a hair dryer is plugged in and turned on.
IrinaK [193]
A. Chemical energy transforms into electrical and sound energy. Hope this helps I had this question not to long ago
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3 years ago
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The periodic table is arranged by various patterns. Is there a pattern with regard to ionic charge? In three to five sentences,
zlopas [31]

The oxidation number of elements becomes increasingly higher from left to right. Elements have more than one stable oxidation state as we move from left to right in the periodic table.

<h3>What does periodic table mean?</h3>

The periodic table, commonly known as the periodic table of elements, is set up so that scientists may rapidly determine an element's mass, number of electrons, electron configuration, and other distinctive chemical characteristics.

<h3>Why is the periodic table important?</h3>

All known elements are grouped together in the periodic table of elements into groups with related properties. It becomes a crucial tool for chemists, nanotechnologists, and other scientists as a result. You can forecast how chemicals will react if you learn to use and comprehend the periodic table.

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6 0
1 year ago
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