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Colt1911 [192]
3 years ago
14

Number 1 is what I need help with

Chemistry
1 answer:
disa [49]3 years ago
7 0
Ow many grams of NH3 can be produced from the reaction of 28g of N2 and 25g 
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Which of the following is a chemical property of the noble gases?
spin [16.1K]
Noble gases are the elements located in the eighth group of the periodic table. These elements have the following properties:
They are odorless
They have single atoms (monoatomic)
They are colorless
They have very low chemical reactivity

The naturally occurring noble gases are helium, neon, argon, krypton, xenon and radon.
5 0
3 years ago
Read 2 more answers
Explain why chlorine has a relative mass of 35.5?
Sedaia [141]

Answer: because of isotopes

relative atomic mass =(75/100 × 35) + (25/100 × 37) = 35.5

isotopes of any element behave the same chemically because neutrons do not have any charge

Explanation:

plz mark brainliest if helps

4 0
3 years ago
Which of these is an environmental effect of burning fossil fuels and pesticides from farming
Anna11 [10]
<span>A. smog
B. Use a large amount of water 
C. increased temperatures
D. poisoning wildlife

The correct answer is D) poising wildlife. Burning fossil fuels and pesticide from farming have the effect of releasing toxic elements in nature, thus the consequences of poisoning wildlife. The fossil fuels released CO2 and other particulates that threats the respiration system of most animals, while the pesticide that animals ingest or breath can have different effects on the wildlife, depending on the type of pesticide.    
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4 0
3 years ago
Read 2 more answers
The chemical name for the compound formula NaCl is?
Mandarinka [93]

Answer:

The chemical name for the compound formula NaCl is sodium chloride.

7 0
4 years ago
Read 2 more answers
You are conducting a plant growth experiment and need to generate a solution with growth factor, auxin or indole-3-acetic acid.
Yuki888 [10]

Answer:

7,01 g of indole-3-acetic acid

Explanation:

The milimolar concentration (mM) is defined as the ratio of milimoles per Liter of solution. 400mM means 400mmoles / L that is the same of <em>0,4mol / L</em>

100mL are <em>0,1L</em>. Using these values:

0,1L × (0,4mol / L ) = 0,04moles of indole-3-acetic acid.

As the MW of the molecule is 175,2 g/mol:

0,04mol × (175,2g / mol) = <em>7,01 g of indole-3-acetic acid</em>

<em></em>

Thus, <em>you need 7,01 g of indole-3-acetic acid to generate your solution</em>.

I hope it helps!

5 0
4 years ago
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