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Ad libitum [116K]
3 years ago
13

What causes climate change?

Chemistry
2 answers:
Anastaziya [24]3 years ago
6 0
The so-called greenhouse gases. The one most of us know is carbon dioxide, although I guess there are even more dangerous matters in there.
maw [93]3 years ago
3 0
<span>Earth’s temperature depends on the balance between energy entering and leaving the planet’s system . When incoming energy from the sun is absorbed by the Earth system, Earth warms. When the sun’s energy is reflected back into space, Earth avoids warming. When energy is released back into space, Earth cools. Many factors, both natural and human, can cause changes in Earth’s energy balance, including:</span> <span> View enlarged image <span>Models that account only for the effects of natural processes are not able to explain the warming over the past century. Models that also account for the greenhouse gases emitted by humans are able to explain this warming.
Source: USGRCP (2009) </span> </span> Changes in the greenhouse effect, which affects the amount of heat retained by Earth’s atmosphereVariations in the sun’s energy reaching EarthChanges in the reflectivity of Earth’s atmosphere and surface

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Given the following Babnced equation 4NH3 +5O2&gt;
igor_vitrenko [27]
4NH3 + 5O2 ==> 4NO + 6H2O Balanced equation
ALWAYS WORK IN MOLES, NOT IN GRAMS
moles of NO produced = 70.5 g NO x 1 mole/30 g = 2.35 moles NO
Since this represents only a 29.8% yield, find what 100% yield would be:
2.35 moles/0.298 = 7.89 moles of NO
From the balanced equation 4 moles NH3 produces 4 moles of NO. Calculate moles of NH3 needed:
7.89 moles NO x 4 moles NH3/4 moles NO = 7.89 moles NH3 needed
Find grams of NH3 needed:
7.89 moles NH3 x 17 g/mole = 134 g NH3 needed
8 0
2 years ago
Daltons idea that atoms cannot be divided into smaller parts was disproved by the discovery of the.
tensa zangetsu [6.8K]
It was disproved by the discovery of the electrons
4 0
2 years ago
The mass of an atom is measured in a unit named the<br> ____. fill in the blank please helpppp
Volgvan

Answer: amu

Explanation: it stands for atomic mass unit and it is the measurement that’s used to measure the mass of atoms

5 0
3 years ago
What information is given by the superscripts in an electron configuration?
Paraphin [41]
<span>The superscripts in an electron configuration represents the number of electrons and protons in an element. </span>
8 0
3 years ago
Mass = 35g Volume = 7cm³ What is the Density?​
gizmo_the_mogwai [7]

Answer:

The answer is

<h2>5.0 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass = 35 g

volume = 7 cm³

The density is

density =  \frac{35}{7}  \\

We have the final answer as

<h3>5.0 g/cm³</h3>

Hope this helps you

7 0
3 years ago
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