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Sonbull [250]
3 years ago
9

Calculate the mass of magnesium oxide formed when 3.0 grams of magnesium reacts with excess oxygen.

Chemistry
1 answer:
BlackZzzverrR [31]3 years ago
3 0
Mg+O2=MgO
24 g. = 40 g
3 g. = x
x =  \frac{3 \times 40}{24}  \\ x = 5 \: g
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<h2>Answer : Daniel was related to study of Earth and Space </h2><h2>Whereas Sanya was closely related to chemistry</h2><h3>Explanation :</h3>

As in the given information, Daniel the scientist was studying the effect of tropical storms on coastal erosions. These studies comes under the field of Earth and Space. Earth because coastal erosions are involved in the study, and Space because storms are discussed which is something related to space.

In case of Sanya, it is clear that her study focuses on discharges from the industrial plant that has effect on freshwater swamps. Precisely, she is studying the pH concentration which comes in chemistry.

This prove that Daniel studies Earth and Space whereas Sanya studies Chemistry.

4 0
3 years ago
2567 milliliters to liters
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2.567

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In an acidic solution, the rate change if Sucrose is changed to 2.5 M will be  Rate = k[H⁺][2.51M] as the initial rate of sucrose breakdown is measured in a solution that is 0.01 M H⁺.

<h3>What is the breakdown of sucrose?</h3>

Sucrose is a type of sugar that is made by adding fructose and glucose or the breakdown of fructose will be in the form of glucose and fructose always at different levels of concentration.

In the given acidic solution if the concentration of sucrose changes from 0.01 to 2.5 then both have to add to give the total rate of change in the given reaction and it will be 2.51 M.

Therefore, Rate = k[H⁺][2.51M] as the initial rate of sucrose breakdown is measured in a solution that is 0.01 M H⁺for an acidic solution, the rate change if Sucrose is changed to 2.5 M.

Learn more about the breakdown of sucrose, here:

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2 years ago
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nikitadnepr [17]

Answer: The statement which could possibly not be true is C -" Liquid X can exist as a stable phase at 25°C, 1atm."

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As shown in the diagram, Liquid cannot exist as a stable phase at 1atm( below the the triple point pressure of 2atm) as the liquid can only exist beyond the pressure of triple point.

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