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Serga [27]
3 years ago
6

The three states of matter are solid, liquid, and gas. true or false

Chemistry
1 answer:
maria [59]3 years ago
3 0
That is True XD
Hope that  helps :D
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NNADVOKAT [17]

Answer: I dunno that but u should give me brainliest

Explanation:

5 0
2 years ago
Given the balanced equation, 2 H2 + O2 -> 2 H2O, answer the following
9966 [12]

Answer: O_2 is the limiting reagent

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} H_2=\frac{10.0g}{2g/mol}=5.00moles

\text{Moles of} O_2=\frac{20.0g}{32g/mol}=0.625moles

The balanced chemical reaction is :

2H_2+O_2\rightarrow 2H_2O

According to stoichiometry :

1 moles of O_2 require = 2 moles of H_2

Thus 0.625 moles of O_2 will require=\frac{2}{1}\times 0.625=1.25moles of H_2

Thus O_2 is the limiting reagent as it limits the formation of product and H_2 is the excess reagent as it is present more than the required amount.

8 0
3 years ago
Which word completes the blank in the following statement?
Dvinal [7]
The answer should be an electrical circut
i think thats how you spell it

8 0
3 years ago
Interpret the block diagram seen here. Arranging the letters from oldest to youngest, the order should be
Ganezh [65]

Answer: option B. - A, B, D, E, C, H, F, G is correct using the principle of cross-cutting relationships.

The principle of cross-cutting relationships states that a fault or intrusion is younger than the rocks that it cuts through.

Explanation:

The full sequence of events is:

1. Layer A formed.

2. Layer B formed

3. Layer D formed.

4. Layer E formed

5. After layers A-B-D-E were present, intrusion C cut across all three.

6. Fault H formed, shifting rocks E through A and intrusion C.

7. Weathering and erosion created a layer of soil on top of layer F then G.

5 0
3 years ago
Read 2 more answers
List three differences between the earth 240 million years ago and the present earth.
raketka [301]
Dinosaurs, cavemen, sabertooth tiger
4 0
3 years ago
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