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dybincka [34]
3 years ago
11

Why are fluxes added to sand

Chemistry
1 answer:
adell [148]3 years ago
5 0

Answer:

no idea hahahahahhaaha

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Explain the role of rhinos in the food chain?
hichkok12 [17]
The role of rhinos in the food chain is... <span>White rhinos are grass-grazing animals, while black rhinos are low browsers. They fill similar roles in their ecosystems to other grazers and browsers. Their size means they eat a LOT, and also means that generally only their offspring are preyed on. So, recycling and trampling high-carbon foliage into fertilizer is their main function.
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4 0
3 years ago
Read 2 more answers
In a combustion reaction, one of the reactants is always _______________.
QveST [7]
In a combustion reaction, one of the reactants is always oxygen.
4 0
4 years ago
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In the first law of thermodynamics, △E = Q-w, what does △E stand for?
Damm [24]

<u>Answer: </u>The correct answer is Option B.

<u>Explanation:</u>

First law of thermodynamics states that the energy can neither be destroyed not be formed but it can only be transformed from one form to another.

Here, the internal energy of the system is being transformed to the heat energy and the work done by the system. The equation used to represent first law of thermodynamic is:

\Delta E=Q-w

where,

\Delta E represents the internal energy of the system.

Q = heat released or absorbed by the system.

w = work done by or on the system.

Hence, the correct answer is Option B.

6 0
3 years ago
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A student carried out this reaction with methane as the limiting reagent. A 12.0 g quantity of methane was used, and the student
Sophie [7]

Answer:

The percent yield is 66.7%

Explanation:

1. The balanced chemical reaction to obtain carbon dioxide from the methane is:

CH_{4}+2O_{2}=CO_{2}+2H_{2}O

2. Calculathe the theoretical quantity of carbon dioxide.

As the problem says that the limiting reagent is the methane, all the calculations will be made from this quantity:

12.0gCH_{4}*\frac{1molCH_{4}}{16gCH_{4}}*\frac{1molCO_{2}}{1molCH_{4}}*\frac{44gCO_{2}}{1molCO_{2}}=33gCO_{2}

3. Calculate the percent yield:

Percent yield = \frac{actualyield}{theoreticalyield}*100

Percent yield = \frac{22.0g}{33.0g}*100

Percent yield = 66.7%

7 0
3 years ago
Which of the following statements is true? A) If Q &lt; K, it means the forward reaction will proceed to form more products. B)
GuDViN [60]

Hey there!:

If Q = K, it means the reaction is at equilibrium.

The correct statments are as follows:

A. If Q < K, it means the forward reaction will proceed to form more products.

B. If Q > K, it means the backward reaction will proceed to form more reactants.

The statement C is true.

Hope this helps!

4 0
3 years ago
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