cement company uses 9.30 × 105 kg of limestone daily. The limestone decomposes upon heating, forming lime and carbon dioxide:

CaCO3(s) CaO(s) + CO2(g)

What volume of CO2 at 683 torr and 25.0°C is released into the atmosphere daily by this company?

Answer:

0.531 moles of CO₂ are formed.

Explanation:

Given data:

Number of moles of CO = 0.531 mol

Number of moles of CO₂ formed = ?

Amount of oxygen = excess

Solution:

Chemical equation:

2CO + O₂    →    2CO₂

Now we will compare the moles of CO with CO₂.

              CO            :            CO₂

                2             :              2

              0.531        :          0.531

Thus, 0.531 moles of CO₂ are formed.

Explanation:

Transition of n 3→2 6→2

Name -H-α / Ba-α- H-δ- / Ba-δ

Wavelength (nm, air) -656.279 -410.1734

Energy difference (eV)- 1.89 -3.03

Color- Red -Violet

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Answer:

You are putting in the percent error is my guess.

Explanation:

When you were completing this chart what percentage of error was there?

No clue if this is correct!!

The mass of alum  expected is mathematically given as

Ma= 365.904 g

Question Parameters:

Beer can mass (aluminium metal ) = 16.5 g

% yield = 126 % = 1.26

Generally, the equation for the Mass of alum   is mathematically given as

M=Beer can mass * 1 g of  alum produce

M= 16.5 x 17.6

M= 290.4 g

therefore, the Mass of alum expected

Ma= % yield x mass of alum

Ma= 1.26 x 290.4

Ma= 365.904 g

In conclusion, the mass of alum  expected is

Ma= 365.904 g

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Answer:

A:smog and water vapor

Explanation:

Smog and water vapor

The answer is A: Smog . . . Water Vapor

The insurance commissioner does not have the right to activate insurance companies' financial reserves.

The insurance commisioner is  soely in charge of the control of the bussiness of insurance in the company and seeks to ensure that prudent insurance policies are implemented by the government.

However, the insurance commissioner does not have the right to activate insurance companies' financial reserves.

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Explanation:

hope it helps, Godbless

Answer:

C + O = CO2

this is the correct answer

Answer:

b.

Explanation:

Answer: I think it’s either C or Dz

Explanation:

Due how it’s calculated.

The calculation that will not give the correct average atomic mass is  (60⋅12)+(40⋅13).

The average atomic mass is obtained as the sum of the products of the relative abundance of each isotope multiplied by its mass.

There are 6 C-12 isotopes and 4 C-13 isotopes. This gives a total of 10 isotopes of both types.

All calculations of average atomic mass are correct except (60⋅12)+(40⋅13).

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Answer:

0.1734

this is the answer to the question

Answer:

Temperature causes water molecules to move more quickly, because each individual molecule has more energy as it gets hotter. If you get water hot enough, the molecules move so much that the hydrogen bonds that hold them together start to break and the water becomes a gas.

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

From the question

mass = 2 kg

acceleration = 3 m/s²

We have

Force = 2 × 3

We have the final answer as

Hope this helps you

Answer:

as the latitude increases, the intensity of the solar energy that strikes an area decreases,and climates become cooler

Explanation:

The higher the elevation the cooler the air therefore the climate becomes colder.

Answer:

cheaper foods are usually more processed and unhealthy, therefore, poorer people are likelier to be obese.

Explanation:

The percentage yield of the reaction between n-propanol and excess of acetic acid is 67.5%

Mass = Density × Volume

Mass of n-propanol = 0.803 × 0.59

Mass of n-propanol = 0.47 g

See attached photo

Molar mass of n-propanol = 60.1 g/mol

Mass of n-propanol from the balanced = 1 × 60.1 = 60.1 g

Molar mass of propyl acetate = 102.1 g/mol

Mass of proply acetate from the balanced equation = 1 × 102.1 = 102.1 g

SUMMARY

From the balanced equation,

60.1 g of n-propanol reacted to produce 102.1 g of propyl acetate

From the balanced equation,

60.1 g of n-propanol reacted to produce 102.1 g of propyl acetate

Therefore,

0.47 g of n-propanol will react to produce = (0.47 × 102.1) / 60.1 = 0.8 g of propyl acetate

Percentage yield = (Actual / Theoretical) × 100

Percentage yield = (0.54 / 0.8) × 100

Percentage yield = 67.5%

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Answer: C

Explanation:

Answer:

DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.

Explanation:

Answer:

Diatomic Molecule

Explanation:

Answer:

if organ systems failed to work together then the body will not function properly and we should not able to do a simple work and suffer from many others diseases.

Answer:

Please look in the paper ! <3

Answer:

The speed of wavelength is 3.0 ×10³ m/s.

Explanation:

Given data:

De Broglie wavelength = 132 pm (132×10⁻¹² m)

Speed of wavelength = ?

Solution:

Formula:

λ = h/mv

λ = wavelength

h = planck's constant

m = mass of proton

v = speed

now we will put the values in formula.

132×10⁻¹² m = 6.63 ×10⁻³⁴ j.s / 1.67 ×10⁻²⁷ kg × v

v =  6.63 ×10⁻³⁴ j.s / 1.67 ×10⁻²⁷ kg × 132×10⁻¹² m

j = kg m²/s²

v = 6.63 ×10⁻³⁴ kg m²/s / 1.67 ×10⁻²⁷ kg × 132×10⁻¹² m

v = 6.63 ×10⁻³⁴ kg m²/s / 220.44 ×10⁻³⁹ kg.m

v = 0.03×10⁵ m/s

v = 3.0 ×10³ m/s

The speed of wavelength is 3.0 ×10³ m/s.

From the mole ratio of the reaction, the mass of ASA reacted is greater than the mass of ASA sample indicating an error in some of the data provided.

Titration is a technique in analytical chemistry in which the volume of solution A of known concentration needed to react with another solution B of unknown concentration is used to determine the unknown concentration of the solution B.

The equation of the reaction between acetylsalicylic acid (ASA) and NaOH is given below:

1 mole of ASA reacts with one mole of NaOH

Molar mass of ASA = 180 g/mol

For first sample:

Volume of NaOH = 16.0 mL = 0.016 L

Moles of NaOH reacted = 0.016 × 0.497 = 0.007952 moles

Therefore, moles of ASA reacted = 0.007952 moles

Mass of ASA reacted = 1.43136 g

However, mass of ASA sample = 0.1830 g

The mass of ASA reacted is greater than the mass of ASA sample.

This means there is an error in the data provided.

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Answer:

here

Explanation:

My guess is if she's into you for your size she's gonna want to have s## alot, but if she's into your personality she wants to hang out with you and compliments you this is my guess so sorry if this isnt good

Answer: Soap is a surfactant that increases the intermolecular forces of water allowing the paperclip to continue to float.

Explanation: Answer A

Soap is a surfactant that increases the intermolecular forces of water allowing the paperclip to continue to float.

A cleaning soap bubble has a polar give up and a nonpolar give up. Water is a polar molecule. The polar cease of the cleaning soap molecules are attracted to every other. The nonpolar ends of the soap molecules stand proud of the water and assist preserve bubbles collectively.

Adding cleaning soap lowers the water's surface anxiety so the drop turns weaker and breaks apart sooner. Making water molecules stick collectively less is what helps soaps easy dishes and garments greater without problems.

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#SPJ2

Answer:

true

Explanation:

It is because it appears uniformly in the eye

Explanation: When the little finger bends in towards the palm and can't be straightened out, it is known as streblomicrodactyly, streblodactyly or camptodactyly.

Little fingers range from perfectly straight to bending inwards at a sharp angle. It is not clear whether fingers fall into two discrete categories or there is a continuous range of pinky angle. Hersh et al. (1953) said that bent little fingers bend inward at an angle of 15 to 30 degrees. They found that only 4 out of a sample of 4,304 people had what they considered to be bent little fingers

If only extremely bent little fingers are considered, then the bent little finger trait is too rare to be useful for illustrating basic genetics in classrooms. If fingers with a more moderate bend are counted, then there is no clear dividing line between bent and straight, plus no evidence that the trait is genetic. In either case, you should not use bent little finger to demonstrate basic genetics.

 Bent Little Finger :  A dominant allele results in the end joint of the little finger of each hand bending inward.  Straight little fingers are a result of the recessive genotype.

Place your hands on a flat surface, palms down, and relax.  Check to see if the first joints of your little fingers are bent or straight.

There you go

Hope that helps :)

PS the picture is too fuzzy to read

Answer:

all of the above :)

have a nice day !

Explanation:

Answer:

The missing force is the 17 newton

Explanation: