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Dahasolnce [82]
3 years ago
11

Create an outline to organize your presentation. Write the outline for your presentation in the space provided. You can organize

your presentation any way you think is best. Following these guidelines for writing a five-paragraph essay is a good idea. Be sure to include an introduction and a works cited page at the end.
in this activity, you’ll prepare a 10- to 15-slide presentation using presentation software. You’ll examine the chemical reaction that takes place when burning fossil fuels and how this process affects the environment. You’ll also evaluate and compare fossil fuels with biomass and other renewable energy sources. Then you’ll make a recommendation about which energy sources to develop in your local area. Be sure to support your recommendation with information provided by credible sources.

Follow the links provided throughout the activity. They will help you plan and research your presentation. This guide about the research process provides a helpful overview of the steps you should take.

Use sources that end in .gov (government sites), such as CDC.gov.
Chemistry
1 answer:
MrMuchimi3 years ago
5 0
What do u specificity need help with ?
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Explanation:

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Al(s) + NiSO4(aq)<br> Balance
irinina [24]

Answer:

2Al(s) + 3NiSO4 --> Al2(SO4)3 + 3Ni

Explanation:

This reaction type is a single replacement. The format of a single replacement is:

A+BC --> B+AC

A= Al

B= Ni

C= SO

The coefficient 3 for Ni would become a subscript for  AC. After you plug those into the reaction you need to count how many of each are on the left side and try to get the same number on the right side. Both sides must be equal to have a balanced equation.

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3 years ago
Determine the missing species:
Galina-37 [17]

Answer: 4. ^{0}_{-1}\textrm{e} and ^{0}_{1}\textrm{e}

Explanation:

a) The given reaction is ^{41}_{20}\textrm{Ca}+^{x}_{y}\textrm{X}\rightarrow ^{41}_{19}\textrm {K}

As the mass on both reactant and product side must be equal:

41+x=41

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As the atomic number on both reactant and product side must be equal:

20+y=19

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^{41}_{20}\textrm{Ca}+^{0}_{-1}\textrm{e}\rightarrow ^{41}_{19}\textrm {K}

b) ^{15}_{8}\textrm{O}\rightarrow ^{15}_{7}\textrm{N}+^{x}_{y}\textrm{X}

Total mass on reactant side = total mass on product side

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Total atomic number on reactant side = total atomic number on product side

8 = 7 + y

y = 1

^{15}_{8}\textrm{O}\rightarrow ^{15}_{7}\textrm{N}+^{0}_{1}\textrm{e}

5 0
3 years ago
Which element has the same number of valence electrons as hydrogen (H)? A. helium (He). . B. oxygen (O). . C. nitrogen (N). . D.
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Li is in group 1 so it has same number of valence electrons as hydrogen.
hope it helps.
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3 years ago
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What is a scientific law?
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Answer:

Scientific laws or laws of science are statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena. The term law has diverse usage in many cases across all fields of natural science.

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I hope this helps

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3 years ago
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