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Mademuasel [1]
4 years ago
8

PLEASE HELP!! 74 POINTS

Chemistry
1 answer:
Brrunno [24]4 years ago
6 0

Answer:

It was formed from slow cooling.

the angle of the Sun’s rays

Explanation:

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How many shared electrons are in the lewis structure of h2o2
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Answer:

4 shared electrons

Explanation:

There are 4 shared electrons in the lewis structure of h2o2.

7 0
2 years ago
C₂H₄ + 3O₂ → 2CO₂ + 2H₂O If you start with 45.9 g of C₂H₄, and excess O₂, what mass of CO₂ will be produced?
hoa [83]

The mass of CO2 that would be produced is 144.03 g

From the equation of the reaction, the mole ratio of C2H4 input to CO2 produced is 1:2.

Recall that: mole = mass/molar mass

mole of 45.9 g C2H4 = 45.9/28.05

                                     = 1.6364 moles

Thus: equivalent moles of CO2 = 1.6364 x 2

                                                        = 3.2727 moles

Mass of 3.2727 moles of CO2 = moles x molar mass

                                                = 3.2727 x 44.01

                                                  = 144.03 g

More on stoichiometric calculations can be found here: brainly.com/question/8062886?referrer=searchResults

6 0
3 years ago
What are chemical and physical properties of oil?
yarga [219]

Answer: Crude oil is a mixture of comparatively volatile liquid hydrocarbons (compounds composed mainly of hydrogen and carbon),

Explanation: though it also contains some nitrogen, sulfur, and oxygen. Those elements form a large variety of complex molecular structures, some of which cannot be readily identified.

3 0
3 years ago
A sample of helium gas is in a sealed rigid container. What occurs as the temperature of the sample is increased
hammer [34]
The electrons will move more rapidly resulting in a higher pressure even at a consistent volume
3 0
4 years ago
Which statement best describes how geothermal energy is made to make electricity?
Juli2301 [7.4K]

Answer:

i would say the last one  Heat energy from below the ground converts water to steam to drive a steam turbine attached to an electrical generator

Explanation:

8 0
4 years ago
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