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Yuri [45]
3 years ago
9

Name given to the type of microscope that only has one lens.

Chemistry
1 answer:
NeTakaya3 years ago
8 0

Answer:

simple microscope has only one lens

:)

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a scientist uses 68 grams of CaCo3 to prepare 1.5 liters of solution. what is the molarity of this solution?
victus00 [196]

Answer: 0.4533mol/L

Explanation:

Molar Mass of CaCO3 = 40+12+(16x3) = 40+12+48 = 100g/mol

68g of CaCO3 dissolves in 1.5L of solution.

Xg of CaCO3 will dissolve in 1L i.e

Xg of CaCO3 = 68/1.5 = 45.33g/L

Molarity = Mass conc.(g/L) / molar Mass

Molarity = 45.33/100 = 0.4533mol/L

7 0
3 years ago
what is a major drawback of using fossil fuels they warmn the planet they contain no greenohuse gases
Charra [1.4K]

The major drawback of fossil fuels is that they warm the planet i.e. they cause global warming.

The reaction typically gives off heat and light as well. The general equation for a complete combustion reaction is:

                                  Fuel + O2 → CO2 + H2O + ENERGY

<h3>Disadvantages of Fossil fuels</h3>

The term "fossil fuels" refers to flammable organic geologic formations, including dead organic matter that has been buried hundreds of feet beneath sediment.

  • Fossil fuel emissions include various oxides, such as carbon, nitrogen, and sulfate, which cause acid rain and harm the soil's fertility and water quality.
  • Both coal and petroleum burning discharge a significant amount of pollutants into the atmosphere, contributing to pollution levels.
  • Gases like carbon dioxide are released through the burning of fossil fuels, which aids in climate change.

To view similar questions on Fossil fuels, refer to:

brainly.com/question/14339391

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7 0
11 months ago
How many oxygen atoms in 1 mole of CO2
Romashka-Z-Leto [24]
There are two oxygen atoms
8 0
3 years ago
Read 2 more answers
Difference between qualitative and quantitative data in chemistry
const2013 [10]
Quantitative data is numerical.
Qualitative data is non-numerical.
Hope this helps.
have a great day.
7 0
3 years ago
Consider the reaction, 2 D(g) + 3 E(g) + F(g) =&gt; 2 G(g) + H(g) When H is increasing at 0.54 mol/Ls, how quickly is F decreasi
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Jkiillmcxujbj u ioik.
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