Chemistry High School

Which of the following does NOT
have large coal deposits?

Which Of The Following Does NOThave Large Coal Deposits?

Answers

Answer 1

Answer:

Mexico

Explanation:

The top five countries with the largest proven coal reserves

United States – 249 billion tonnesRussia – 162 billion tonnesAustralia – 149 billion tonnesChina – 142 billion tonnesIndia – 106 billion tonnes.

Mexico isn't on this list

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Related Questions

which is more reactive between magnesium and sulphur?​

Answers

Answer:

Sulfur (in British English: sulphur) is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur

If you start with 3 moles of sodium and 3 moles of chlorine to produce sodium chloride, what is the limiting reagent?(You will need to balance
the equation first.)
Na + Cl2 -> NaCl A. They are equal B. Na C. Cl2 D. NaCl

Answers

Answer:

B. Na

Explanation:

Once balanced you get 2Na + Cl₂ ⇒ 2NaCl. Sodium is the limiting reagent because it would produce the smallest amount of the product (NaCl)–while chlorine is the excess reagent. Based off of the Na in the balanced equation, it would produce 3 moles of NaCl, and for Cl₂ it would produce an excess of 6 moles of NaCl. [It'd be wise to utilize stoichiometric factors to get a good grasp of this]

You discovered a new compound with the following formula: H(O) Pe. Using the information below, what would be the correct name for this compound?
*H(O) is an Alkaline Earth Metal.
*Pe is classified as a Halogen.

Answers

Answer:

Home personide.

Explanation:

In relation of Magnesium and Chlorine, MgCl2 is called Magnesium chloride

Observe Record the appearance (colors,
textures, etc.) of the reactants in the data table.
How many reactants are there?
DONE

Answers

Answer:

1

Explanation:

By observing the appearance (colors, textures, etc.) of the reactants in the data one reactant is there.

What is reactant?

A reactant is a substance or can say a chemical compound that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products.

For example we take a reaction-

O₂(g) + H₂(g) → H₂O(g)

Here, O₂ and H₂ are the reactants and H₂O is the product.

A reactant is present 100% initially and after sometimes it reduces gradually to form product according to chemical kinetics.

Given, the picture shown and the colour and texture of the reactant is shown.

Therefore, By observing the appearance (colors, textures, etc.) of the reactants in the data one reactant is there.

Learn more about chemical reactions, here:

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The speed of light is 300,000,000 m/s. What is the frequency of microwaves with a wavelength of 0.01 meter?

Answers

Answer:

30,000,000,000 Hz

Explanation:

I searched it up and got 3 x 10^10 and thats 30000000000

What is the mass of .550 mL of alcohol (density = 82.0 g/mL)

Answers

Answer:

1.223 g/ml

Explanation:

45.1 ml of alcohol. Multiply 82 by .55 because it’s less than 1 ml

What is the net force of the diagram?

Answers

5 n down
glad to help

what is the correct name for the compound MgBr?

Answers

Answer:

Magnesium bromide

Explanation:

its just the answer give brianliest

If a parent cell has 24 chromosomes , how many chromosomes will each daughter cell have? Then compare the chromosomes in the parent cell and the daughter cells.

Answers

Answer:

If a cell has 24 chromosomes before cell division then daughter cell resulting from mitotic division will have 24 chromosomes while daughter cell resulting from the meiotic division will contain 12 chromosomes each.

Explanation:

Choose all that are correct about the elements in the column highlighted in blue
in the periodic table below (there are FOUR correct answers)

help !!!

Answers

Answer:

running a business is the best i have ever done to make a good friend of yours to get to the point where you have a lot to say

How many moles of Gold (Au) are in 3.60x10-5 g?
Choose the correct set up from the given choices.

a. .000360g divided by (196.96g/1 mol)

b. .0000360 g multiply by (1mol/196.96 g)

c. .00360 g divided by (1mol/196.96 g)

d. .0000360 g divided by (1mol/196.96 g)

Answers

Explanation:

[tex](.0000360 gAu} )\frac{1molAu}{196.96gAu}= ? mol Au[/tex]

The answer is d. .0000360 g divided by (1mol/196.96 g)

why is water considered a pure substance?

a. each water molecule is identical

b. water can be broken down by physical means

c. water molecules are made up of different types of atoms

d. water can be combined with other substances by physical means

heLp ​

Answers

um i think its A or C

do all-stars mak energy through fusions

Answers

Yes they do make stars through fusions

What is the name for the compound formed between nitrogen and magnesium. (show your work)

Answers

Answer:

the compound formed between nitrogen and magnesium is Magnesium Nitride

PLEASE HELP DUE IN EXACTLY 15 mins!! i will give you branliest

Answers

[tex]2032533 \sq22222rt[2]{?} [/tex]

please help me ASAP PLEASE​

Answers

24 cm^3 CO2 / 1 * 1 dcm^3 / 1000 cm^3 * 1 mol / 24 dcm^3 = 0.001 mol of CO3 is required

Which of the following has the highest ionization energy?
a. F or I
b. Fr or C
c. Ne or Bi
d. Kor Kr
e. Ar or Mg

Answers

Answer:

helium

The first ionization energy varies in a predictable way across the periodic table. The ionization energy decreases from top to bottom in groups, and increases from left to right across a period. Thus, helium has the largest first ionization energy, while francium has one of the lowest.

Explanation:

hope it helps, mark brainliest please

Specifically critique your personal impact on the changing climate.

Answers

Answer:

We can no longer ignore the fact that the world's climate is becoming more unpredictable and more extreme. As water levels rise, the risk of flooding looms large. At the same time, periods of drought are becoming longer and more frequent. Yet, our most precious resource – our planet's biosphere – is not only under threat. It is also the source of many of our solutions. Green Climate Solutions is the Wageningen Environmental Research programme that applies our understanding of nature and natural processes to address the challenges of climate change.

Test Yourself
1- Which is larger:
a) Million or billion?
b) A part of million or a part of billion?
2- Which is more harmful: concentration of a poisonous substance (lead) in
drinking water to be a part of a billion or a part of a million?

Answers

Answer:

billion is larger \ part if billion

what everyday things turn green because acid

Answers

Coins or anything copper

Explanation
They are everyday objects that turn green.

Elements in group 17 want to lose seven valence electrons and elements in group 1 want to gain seven valence electrons to become stable ions.

Answers

Because the halogen elements have seven valence electrons, they only require one additional electron to form a full octet. This characteristic makes them more reactive than other non-metal groups. hope it helped

How to balance:


_N2+__O2+__H2O-> _HNO3



Answers

Answer:

2N2 + 5O2 + 2H2O → 4HNO3

Explanation:

Dinitrogen - N2

N₂ Nitrogen Gas Nitrogen Diazyne

Molar Mass of N2 Bond Polarity of N2

Dioxygen - O2

O₂ Oxygen Molecular Oxygen Diatomic Oxygen Triplet Oxygen Oxygen Gas Liquid Oxygen LOx

Molar Mass of O2 Bond Polarity of O2

Water - H2O

Dihydrogen Monoxide Dihydridooxygen [OH2] HOH Hydrogen Hydroxide Dihydrogen Oxide Oxidane Hydrogen Oxide

Molar Mass of H2O Oxidation State of H2O

Products

Nitric Acid - HNO3

Spirit Of Niter Fuming Nitric Acid Aqua Fortis Engravers Acid Hydrogen Nitrate HONO2 Peroxynitrous Acid [NO(OOH)]

Molar Mass of HNO3 Oxidation State of HNO3

Why does soap work to remove oil? (Note that most oils can be considered non-polar. A soap molecule has one end that is polar and one end that is non-polar.)

Answers

Answer:

Soap breaks up the oil into smaller drops, which can mix with the water.

Explanation:

This works because soap is made up of molecules with two different ends.

The soap molecules works as a surfactant for the water oil interphase. The hydrophobic head of the soap molecules trap the oil and dirt ad remove from the surface.

What are surfactants?

Surfactants are chemical substances used to reduce the interfacial tension between substance boundary. Soaps and detergents acts as surfactants which are used to remove the dirt and oil from material surface.

Soap has both polar and non-polar characteristics. The alkaline part  in the soap causes it to have a polar head, and because of the electric charge on this head, the soap is hydrophilic. A hydrophilic part of soap is drawn to water and will cling to it.

In this instance, the positive-charged hydrogen atoms of the water's hydrogen atoms match with the polar head of the soap molecule. The other part of soap is a fatty acid tail, which is hydrophobic and can bind with the oil and dirt. The trapped oil molecules are then be removed by water.

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An acid that can donate only one hydrogen ion is called a _____ acid.

Answers

ummmmmmmm boric acid

Answer:monoprotic

Explanation:

Name and draw the lewis dot diagram for CuO

Answers

Name: Copper (II) oxide or Cupric oxide

Lewis Dot Diagram: Attached image below

Answer:

lewis dot diagram for cuo is a bulletin dot above cu

Explanation:

Molecular Formula : CuO

name : Copper Oxide or cupric oxide

Please help me choose the correct statement

Answers

The ball has more mass because it weights more it may be less dense but more weight is being added to it

The measure of the speed of the moving or
vibrating particles is called the

Answers

Answer:

Temperature

Explanation:

It's called temperature.

This is because, in any substance an increase in temperature means that the particles on the average will move with greater speeds, or that they have greater kinetic energy while a decrease in temperature means that the particles on the average will move with lesser speeds, or that they have lesser kinetic energy.

HELP IN 8TH GRADE ADV SCIENCE

Answers

Answer:

protons: 36

neutrons: 48

electrons: 36

What is the rise in sea level between 1930 and 2003?
A)
About 20cm
B)
About 16cm
C
About 12cm

Answers

Answer:

about 16

Explanation:

its 20 - ( approximately 5)

= approximately 16

Answer:

It should be (C) about 12cm

Describe each of the 3 main
domains used to classify living
things.

Answers

Answer:

Organisms can be classified into one of three domains based on differences in the sequences of nucleotides in the cell's ribosomal RNAs (rRNA), the cell's membrane lipid structure, and its sensitivity to antibiotics. 3. The three domains are the Archaea, the Bacteria, and the Eukarya.

Explanation:

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The main criticism of the Articles of Confederation was that they failed toA. provide adequate powers for the central governmentB. prevent the development of military ruleC. allow for the admission of new statesD. limit the powers of the president5. In the 1780s, the national government under the Articles of Confederation established its authority in the Northwest Territory byA. settling the border dispute with MexicoB. rejecting Native American Indian claims of sovereigntyC. extending the nations border to the Rocky MountainsD. providing a system for the formation of new states6. A principal reason for calling the Constitutional Convention of 1787 was toA. strengthen the central governmentB. increase the power of the statesC. weaken the system of checks and balancesD. settle land disputes with Canada7. The United States Constitution corrected a weakness of the Articles of Confederation byA. giving greater power to state governmentsB. providing a clear definition of states rightsC. granting the right to vote to all white malesD. creating three branches of government8. This quotation from the Preamble illustrates the constitutional principle that peopleA. are the true source of political powerB. are guaranteed an adequate standard of livingC. have the right to assembleD. have a right to a trial by jury9. A republican form of government is described as one in whichA. there is a two-party systemB. elected officials have limited termsC. government power is limited by checks and balancesD. representatives are elected by the people10. New Congress to Have Two Houses | Slaves to Count as Three-Fifths of a Person | President to be Chosen by Electoral Vote. Which conclusion about the Constitutional Convention is best supported by these headlines?A. 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