What color represents the highest elevation

Answers

Answer 1
Answer: The Color Red Is What People To Represent High Elevation From: 2,000-2,400 m

Answer 2
Answer: red is my answer hope I helped you on this :-D :-D :-D

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As an atom becomes an ion, its mass number(1) decreases(2) increases(3) remains the same
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Bronze contains 90 to 95 percent copper and 5 to 10 percent tin. Because these percentages can vary, bronze is classified as(1) a compound (3) a mixture(2) an element (4) a substance
Which pair of compounds are isomers?(1) NO2 and N2O4(2) P2O5 and P4O10(3) HCOOH and CH3COOH(4) CH3OCH3 and C2H5OH

Which equation is a decomposition reaction?a. Li2CO3 ---> Li2O + CO2

b. Zn + HCl ---> ZnCl2 + H2

c. Na2O + CO2 ---> Na2CO3

d. C6H12O6 + O2 ---> CO2 + H2O


please help asap

Answers

Answer : (a) Li_2CO_3\rightarrow Li_2O+CO_2 is a decomposition reaction.

Explanation :

(a)Li_2CO_3\rightarrow Li_2O+CO_2 is a decomposition reaction.

  • Decomposition reaction : It is a type of chemical reaction in which a single compound decomposes into two or more compounds.

(b)Zn+2HCl\rightarrow ZnCl_2+H_2 is a displacement reaction.

  • Displacement reaction : It is a type of reaction in which a most reactive element displaces the least reactive element in a compound.

(c)Na_2O+CO_2\rightarrow Na_2CO_3 is a combination reaction.

  • Combination reaction : It is a type of reaction where two or more compounds combine to form a single compound.

(d)C_6H_(12)O_6+6O_2\rightarrow 6CO_2+6H_2O is a combustion reaction.

  • Combustion reaction : It is a type of reaction where a hydrocarbon react with the oxygen to produced carbon dioxide and water.

Therefore, option (a) is a decomposition reaction.

The reaction in which reactant breaks down into more than one constituents is called decomposition reaction. So option A. Li2CO3 ---> Li2O + CO2  is correct. 

when a log of wood burns, it undergoes a _______. a. physical change. b. chemical change. c. physical and a chemical change. d. no physical or chemical change.

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B. Chemical change is the answer!

B. chemical change because a new substance is forming with new properties.

Describe how activity within the earth results in earthquakes

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When the plates either move together, apart or slide beside each other

As the result of experimental work, a student finds the density of a liquid to be .137 g/ml. the known density of the liquid is .1478 g/ml. find the student's experimental error (ee) and percentage error (pe).

Answers

the known density of the liquid is

d_known = 0.1478 g /ml

the density of a liquid

d_calculated = 0.137 g /mol

experimental error = d_known – d_calculated

= 0.1478 – 0.137 = 0.0108 g /mL

Thus, experimental error of 0.0108 g /mL is present.


Percentage error = [ (d_known – d_calculated) / (d_known) ] * 100

=[ (0.0108) / 0.1478 ] * 100

= 7.31 %

Thus, Percentage error of 7.31 % is present.

What colors of visible light do green plant leave absorb the most

Answers

Chlorophyll in plant leaves absorb red and blue regions of the visible light spectrum.
The answer is Red and Blue light.
Red and blue. If red and blue are absorbed, the green would be reflected. This makes the plant appear to be green. If it absorbed green, plants would be (a) very different in color(s).

1. How many ATOMS of boron are present in 2.20 moles of boron trifluoride ? atoms of boron. 2. How many MOLES of fluorine are present in 5.35*1022 molecules of boron trifluoride ? moles of fluorine.​

Answers

Answer:

1. How many ATOMS of boron are present in 2.20 moles of boron trifluoride? atoms of boron.

2. How many MOLES of fluorine are present in  of boron trifluoride? moles of fluorine.​

Explanation:

The molecular formula of boron trifluoride is BF_3.

So, one mole of boron trifluoride has one mole of boron atoms.

1. The number of boron atoms in 2.20 moles of boron trifluoride is 2.20 moles.

The number of atoms in 2.20 moles of boron is:

One mole of boron has ---- 6.023x10^2^3 atoms.

Then, 2.20 moles of boron has

-=2.20 mol. x 6.023 x 10^2^3 atoms /1 mol\n=13.25x10^2^3 atoms

2. Calculate the number of moles of BF3 in 5.35*1022 molecules.

(5.35x10^2^2 molecules/6.023x10^2^3)x 1mol\n=0.0888mol

One mole of boron trifluoride has three moles of fluorine atoms.

Hence, 0.0888moles of BF3 has 3x0.0888mol of fluorine atoms.

=0.266mol of fluorine atoms.