What type of coal has the highest carbon content? 1.Sub-bituminous coal 2.Bituminous coal 3.Anthracite coal

Answers

Answer 1

Answer:

Anthracite coal contains the highest carbon content.

Answer 2

Anthracite, it contains 86%-97% carbon

Related Questions

The forces exerted on an object are shown. A box has an arrow pointing right labeled F shown and an arrow pointing left labeled 8 N. If the object moves left, which statement is correct about force F?

Answers

Answer:

force F is weaker than force N

Answer:

its less then 8 N :)

In the periodic table, the most reactive metals are found a. in Group 1, the first column on the left. b. in Period 1, the first row across the top. c. in Groups 13 through 16 in the center. d. in Periods 6 and 7 at the bottom.

Answers

Answer:

Group 1

Explanation:

The alkali metals are the most reactive metals found on the periodic table

In a periodic table, the most reactive metals are found in Group 1, the first column on the left. (option a)

The most reactive metals are found in Group 1, which is the first column on the left side of the periodic table. Group 1 is also known as the alkali metals. These metals include elements like lithium (Li), sodium (Na), and potassium (K). Alkali metals are highly reactive because they have only one electron in their outermost energy level.

This means they are eager to lose that electron and achieve a stable electron configuration, which makes them more likely to engage in chemical reactions.

As we move down Group 1, the reactivity increases because the outermost electron is farther from the positively charged nucleus, making it easier to lose.

Hence the correct option is (a).

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The forced exerted on an object are shown. If the object moves right, which of the following is a possible value of F? Ignore my answer please help.

Answers

Answer:

Explanation:

Because if it moves to the right, that means F is weak and 6N is STRONK

5N.....................

What are fossil fuels composed of? 1.Carbon 2.Nitrogen 3.Oxygen

Answers

Answer:

fossil fuels are composed of Carbon.

Answer: Carbon

Explanation:

A parking lot is going to be 40 m wide and 100 m long. Which dimensions
could be used for a scale model of the lot?
A. 10 cm x 25 cm
B. 100 cm x 300 m
O C. 75 in x 225 cm
D. 25 cm x 75 cm

Answers

Answer: A

Explanation: You need to find the dimensions of the scale model of the lot that can be multiplied equally to get the original length. Basically 40 m and 100 m need to be divided by the same number to make the scale model evenly, and right off the bat you see that 10 and 25 could be multiplied by 4 and equal the original numbers. Hope this helps! Also sorry if it was kinda hard to understand lol, when i explain things its hard to get out of my own head ;P

answer is A. 10cm by 25 cm

What has to happen for these atoms/molecules to change from one state of matter to another? *view attachment*

Answers

Answer:Thermal energy is added or transferred

Explanation:

The answer is the third option

What is the relationship between an experiment and a hypothesis?
A. An experiment should be designed so that the hypothesis is
proven to be true.

B. A well-designed experiment is one that can test a number of
different hypotheses.
O C. A useful hypothesis is one that can guide the design of an
experiment.
O D. A hypothesis is an educated guess as to the outcome of an
experiment.

Answers

The answer is C. After observing, you make a hypothesis, THEN you expierement to either support or unsupport your hypothesis

A useful hypothesis is one that can guide the design of an experiment. The correct option is C.

What are an experiment and hypothesis?

It is possible to create fresh hypotheses and experiments that more closely match the results of the initial studies' observations. A hypothesis is formulated to explain an observation, and an experiment is created to test it. The experiment's findings might or might not support the hypothesis.

Negative results do not necessarily imply that the hypothesis is invalid. It implies that there must be another connection between the variables. To accomplish this, a new theory and experiment must be created in order to better account for the observations.

Therefore, a useful hypothesis is one that can guide the design of an experiment. The correct option is C.

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What converts organic remains into fossil fuels? 1.chemical reaction 2water 3.heat and pressure

Answers

Answer:

Heat and pressure

Explanation:

Pressure and heat I took the quiz

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