How are water particles affected by the movement of a wave?
•
The wind pushes the water particles down to deeper depths.
O The wave pushes the water particles back and forth.
•
The water particles move in an upward motion through the wave.
The water particles move in a circular pattern.

Answer:

Explanation:

Let the number of moles of oxygen = x

2H2 + O2 --> 2 H2O

           x             13.3

Since the balance number for oxygen is 1 and the balance number for water is 2, you must set up a proportion. (Those balance numbers represent the number of moles).

1/x = 2 / 13.3                      Cross Multiply

2*x = 13.3                          Divide both sides by 2

2x/2 = 13.3/2

x = 6.65

You need 6.65 moles of oxygen.

ok ther only one solution n2 is ÷ 2h×2 is ok but the problem is that the standard form of the square is not yet

Answer:

133.34 g/mol

Explanation:

Answer:

Componets of Homogenous mixture cannot be seperated by using physical methods

Explanation:

hope it helps,God bless

Answer:

•How do you find the delta H per grams in an chemical formula

➢ Subtract the sum of the heats of formation of the reactants from that of the products to determine delta H: delta H = –110.53 kJ/mol – (–285.83 kJ/mol) = 175.3 kJ.

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Answer:

The IUPAC name for NH3 would be Azane

Explanation:

Answer:   1. nitrogen trihydride

                2. ammonia

Explanation: 1.Choose the correct name for NH3 according to the naming system being used. What is the IUPAC name for NH3?

2. What is the common name for NH3?

Answer:

Is the solid an explosive?

Explanation:

..because then it would blow up.

Everything else would melt and phase transfer would occur from a solid to liquid.

Answer:

47.8 %

Explanation:

Ar of Zn = 65

Mr of ZnCl2 = 65 + (2 * 35.5)

= 65+ 71

= 136

Percentage Composition

= ( Ar of element × No of atom in formula ) / Mr of compound * 100 %

% composition of Zn = ( 65*1 )/ 136 × 100 %

= 47.7941...

= 47.8 % ( 3 s.f )

Answer:

Cis-2-methyl-3-hexene

Cis-2-methyl-3-hexene is the IUPAC name for the compound shown here.

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Answer:

hydrogen

Explanation

a molecule of hydrogen is the simplest possible molecule . its consists of two protons and two electrons heid together by electrostatic forces. like atomic hydrogen the assemblage can exist in a number of energy levels

This is because increasing altitude lowers the boiling point of water.

This is referred to as the temperature in which a liquid starts changing into steam or vapor.

Increasing altitude lowers the boiling point which is the main reason why the egg wasn't cooked when placed in the boiling water. The temperature at which the water boils isn't sufficient enough to cook the egg in this type of scenario.

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Answer:

Who was the first president of United States?

A Benjamin Franklin

B George Washington

C Abraham Lincoln

D John Adams

Answer:

High points please help *NO TROLL ANSWERS*

kayla wants to find the width, AB, of a river. she walks along the edge of the river 150 ft and marks point c. then she walks 32 ft further and marks point D. she turns 90° and walks until her location, point A, and point C are collinear. she marks point E at this location, as show.

Answer:

go to a calculator and see the answer then make the hypothisis which is the answer

Explanation:

magic

Answer:

the scrubby plants in the chaparral biome fix CO2 from the atmosphere through photosynthesis and store carbon as starch. The energy from these carbohydrates is passed on to animals and insects that consume the plants. These primary consumers will pass on the carbon’s energy to other animals that prey on them. When plants or animals die and decompose, the carbon in their bodies returns to the earth. Fossil fuels, which are made from ancient decomposed matter, release carbon back into the atmosphere as CO2 when they are burned

Answer:

baking soda - sodium hydrogen carbonate

bleach (liquid) - sodium hypochlorite

bleach (solid)- sodium hypochlorite

borax- sodium tetraborate decahydrate

brimstone- magnesium sulfate heptahydrate (sulfur)

cream of tartar- potassium hydrogen tartrate

Epsom salt- magnesium sulfate

Freon- Dichlorodifluoromethane

galena- gray lead sulfide

grain alcohol- ethanol

graphite- carbon silicon family

gypsum- calcium sulfate

hypo- sodium thiosulfate

laughing gas- nitrous oxide

lime- calcium hydroxide

limestone- calcium hydroxide

lye- sodium hydroxide

(i'll finish the rest later)

Explanation:

Answer:

Computers are more useful for quick calculations.

Computers are easier to transport to remote locations.

Computers have lower power consumption.

Computers hold larger amounts of data.

give brainliest pls

Molecular Formula: H5O5V-5

Answer:

2NaOH (aq) + CaCl2 (aq) -> 2NaCl(aq) + Ca(OH)2(s)

Formula of precipitate: Ca(OH)2 (s)

Explanation:

First, we do the double replacement reaction to determine our chemical equation between the reactants and products. Once we have our products, with a solubility chart (I added one below) we can determine which of the products is soluble or insoluble.

In this case NaCl is soluble or aqueous (meaning it can dissolve in water) and Ca(OH)2 is insoluble (meaning that when the reactions takes place, these two will form a solid/precipitate)

Answer:

Prolonged and potentially destabilizing water shortages will become commonplace in Jordan by 2100, new research finds, unless the nation implements comprehensive reform, from fixing leaky pipes to desalinating seawater. Jordan’s water crisis is emblematic of challenges looming around the world as a result of climate change and rapid population growth.

Explanation:

Answer:

25 percent solution by mass of ethanol means that 100 gram of solution contains 25 gram of solute i.e-ethanol. Now,as the density of the solution is 1 g/ml so 100 g of the solution has a volume of 100 ml. So,we have 25 gram of ethanol in 100 ml of the solution. So we have 250 g of ethanol in 1 litre of solution.

Explanation:

Answer:

3260

Explanation:

3259

as the number after the 3rd number (9) is greater than 5, the 3rd number (5) can be rounded off to be 6
so,

3259

≈ 3260

this is the only method i know of solving this type of question

hope it helps

thnxx

Answer:

3260

Explanation:

3259

the number after the 3rd significant figure(3rd number) is 9 which is greater than 5 so you make the number 0 and add 1 to the 3rd significant figure which is 5

= 3260

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The density of the larger broken piece from the original piece would remain 1.500 g/cm3

Density = mass/volume

The ratio of mass to the volume of a substance is constant.

Thus, for the long glass stirring rod, a reduction in the length means a reduction in its volume. Also, there would be a commensurate reduction in the mass of the glass rod.

At the end of the day, the ratio of mass/volume of the glass rod, be it the larger or the smaller piece, remains the same.

Thus, the density would remain 1.500 g/cm3.

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Answer:

adwasd

Explanation:

The indicator phenolphthalein is added to the Analyte

Indicators are chemical substances that are added to a chemical reaction which gives a visible sign usually by a colour change.

Examples of indicators are:

The indicator phenolphthalein is usually added to an analyte which is the chemical constituents that are been measured.

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Answer:

molar mass of CaCO3=40+12+3(16)

=100 gmol-1

Ca percent composition=40/100*100%

=40%

C percent composition=12/100*100%

=12%

0 percent composition=48/100*100%

=48%

Answer:

Since we're sticking with theoretical values instead of experimental, Percent Composition would be (Molar Mass of the element) / (Molar mass of compound) x 100%

Molar mass of Calcium: 40g/mol

Molar mass of Carbon: 12g/mol

Molar mass of Oxygen: 16g/mol

Molar mass of CaCO3 (Calcium Carbonate) = (40) + (12) + (16)*3 = 100g/mol

Percentage composition of Calcium = [tex]\frac{40}{100} \ * \ 100 =[/tex] 40% of Calcium

Percentage composition of Carbon = [tex]\frac{12}{100} \ * \ 100 =[/tex] 12% of Carbon

(For the next one, there are 3 oxygen, so it'd be 16x3 = 48g/mol)

Percentage composition of Oxygen = [tex]\frac{48}{100} \ * \ 100 =[/tex] 48% of Oxygen

Answer:

C, A pulley that lifts an elevator off the ground

Explanation:

Basically, it's just easier than a human doing it because that would probably be too much work for humans.

Answer:

C

Explanation:

Scientific knowledge be used to solve a practical problem through all of the above which are:

This is defined as the movement of air and other gases on the surface on the earth. Wind intensity varies according to various factors and it's best to study it as helps to prepare for unforeseen circumstances.

Its knowledge helps in the building of windmills so as to ensure efficient capture of winds.

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The type of molecule which gives plants their firm structure Carbohydrates   (option A) as there develop cellular structures like cell walls or stems .

Complex organic compounds called carbohydrates serve multiple functions for plants- primarily as their primary energy source and secondly to build specific cellular structures like cell walls or stems. Undoubtedly, one of the most ubiquitous types of carbohydrates seen in these green wonders is cellulose which plays a dominant role in maintaining their structural integrity.

Cellulose consists of tightly intertwined chains formed by glucose molecules whose interaction results in exceptional durability making it paramount for plant rigidity and survival alike.

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The molality of the solution is 0.00037 m.

The term concentration refers to the amount of solute in a solution.

We have the following information;

Molarity = 0.335 M

Density =  1.0432 g/mL

Temperature = 20 o C

The molality of the solution is obtained from;

m = 0.335 M ×  1.0432 g/mL/ 1000(1.0432 g/mL) - 0.335 M (342 g/mol)

m = 0.344/1043.2 - 114.57

m =  0.344/928.63

m = 0.00037 m

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