Chemistry College

I need help please Which is the proper conversion factor for converting a mass expressed in pounds (lb) to the same mass expressed in grams (g)?​

I Need Help Please Which Is The Proper Conversion Factor For Converting A Mass Expressed In Pounds (lb)

Answers

Answer 1

Answer:

C

Explanation:

There are roughly 454 grams for every pound. The conversion factor would look like this for converting 2 lbs of a sample into grams:

2lbs sample (454g sample/1lb sample) = sample in grams.

Related Questions

what are some potential fire startersfor a wildfire

Answers

dryness and a combination of heat can set plant life and trees on fire,m

When salt dissolves completely into water, which term is used to describe the water?

Answers

Answer:

A salt that is dissolved in water is called a solute

Once you have dissolved the salt - you have a solution

The water is called the solvent

Explanation:

We have that When salt dissolves completely into water the water is called a Solvent

it is important to not that once the salt compound comes into water it breaks down the molecule apart the Na on one hand and the Cl on the other hand

Once the NaCl is dissolved in to the H_2O it is known as a solute of salt

And when When salt dissolves completely into water the water is called a Solvent

Therefore

When salt dissolves completely into water the water is called a Solvent

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Which of the following is the correct definition of density?
1. The amount of volume per given mass
2. The amount of space that an object occupies
3. The amount of mass per given volume
4. The amount of matter contained in an object

Answers

Answer:

3

Explanation:

The amount of mass per given vol

QUESTION 8.1 POINT
Which volume is equivalent to 0.01 L?
Select the correct answer below:
O 10 dL
10 CL
10 KL
10 mL

Answers

Answer:

10 mL

Explanation:

1 L = 10^3 mL

0.01 L x 10^3 mL = 10 mL

Answer:

0.01 L=10ml

SEE the IMAGE FOR SOLUTION

Science Laboratory Safety Procedures
1.
What items are you not allowed to consume during the lab?

Answers

You are not allowed to consume anything you are studying/ researching such as chemicals

What is the chemical formula for glucose?

Answers

Answer:

C6 H12 O6

Explanation:

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The chemical formula for glucose is C6H12O6. This means that there are 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen in a single molecule.

Which elements would react most easily with each other? (1 point) an element with a high electronegativity and an element with a single valence electron an element with a high electronegativity and an element with a single valence electron an element with a high electronegativity and an element with a full shell of electrons an element with a high electronegativity and an element with a full shell of electrons an element with a high electronegativity and an element with low reactivity an element with a high electronegativity and an element with low reactivity an element with a high electronegativity and a second element with a high electronegativity

Answers

Answer:  The question is difficult to read.  Please add numbered lines and check before uploading the question.  I copied and organized the best I could, followed with my answers, below.

Explanation:

1. an element with a high electronegativity and an element with a single valence electron YES

2. an element with a high electronegativity and an element with a single valence electron Duplicate

3. an element with a high electronegativity and an element with a full shell of electrons NO

4. an element with a high electronegativity and an element with a full shell of electrons Duplicate

5. an element with a high electronegativity and an element with low reactivity NO

6. an element with a high electronegativity and an element with low reactivity Duplicate

7. an element with a high electronegativity and a second element with a high electronegativity NO

Elements have electronegativities because of the tendency of attracting electrons. An element with a single valence electron and high electronegativity will react with each other. Thus, option A is correct.

What is electronegativity?

Electronegativity has been defined by the atom's tendency to attract the electrons that are in sharing for the formation of the chemical bond. The atomic number and the atomic radii affect electronegativity.

High electronegative elements are electron acceptors and are characterized by an almost full valence shell. The electron is required by them to achieve stability and complete octet. Elements with full shells cannot accept more electrons.

Therefore, option A. high electronegative element reacts easily with a valence electron to form a bond.

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what is the chemical formula of ( methane ) ??​

Answers

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what is the chemical formula of ( methane ) ??

» CH4

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--⚘ Mishi ChaeYoon ⚘--

Answer:

[tex]CH_4[/tex]

Explanation:

Methane is a chemical compound with the formula CH4. ( One atom of carbon and four atoms of hydrogen).

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OAmalOHopeO

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which type of substance can separated using a centrifuge?
​

Answers

Answer:

Its separates the components of heterogeneous mixtures.

like examples :-

liquids in liquids, solids in liquids, solids and liquids in gases.

what is a cavity in your own words

Answers

Answer:

A cavity is a hole in a tooth that develops from tooth decay Cavities are permanently damaged areas in the hard surface of your teeth that develop into tiny openings or holes .They are caused by a combination of factors, including bacteria in your mouth, frequent snacking, sipping sugary drinks and not cleaning your teeth well.

these are in my own words

Matter unit review? Chemistry
10 grade please help meeeeeeeeeee

Answers

a) fixed volume and fixed shape- Solid. b)fixed volume variable shape- Volume. c) variable volume variable shape- Gas. D) state in which molecules move the most- Solids E) molecules move the least- Gas. F) A phase change is a physical change in matter. G) Melting- becoming liquified by heat. H) Freezing- a liquid turned into a solid by extreme cold. I) Vaporizing- when a liquid changes form into a gas. J) Condensing- to change from a gas or vapor to a liquid. K) Sublimation- goes directly from a solid state to a gas state. (Dry ice). J) Deposition- a geological process in which sediments, solids and rock are added to landforms or landmass by transport of wind, water, gravity or weather. K) sublimation is an increase in energy. L) freezing is a decrease in energy

Pls help ASAP!!!
Based on patterns of the periodic table, which element is the least malleable in its solid state?

A. Strontium (Sr)
B. Copper (Cu)
C. Antimony (Sb)
D. Phosphorus (P)

Answers

Answer:

These are the answers for the Atomic Number Quick Check

Explanation:

1. An element is highly conductive, highly reactive, soft, and lustrous. The element most likely belongs to which group?: alkali metals

2. How does mercury differ from other metals?: It is not solid under normal conditions.

3. Based on patterns in the periodic table, which element is the least malleable in its solid state?: phosphorus (P)

4. In which group of elements does tellurium (Te) belong?: metalloids

5. Which statement describes the properties of lanthanoids and actinoids?: They are malleable and lustrous, and they tend to conduct both electricity and thermal energy.

Hope this helps :)

Based on patterns of the periodic table, the chemical element which is the least malleable in its solid state is: D. Phosphorus (P).

A periodic table refers to an organized tabular arrangement of all the chemical elements, typically arranged in order of increasing atomic number or number of protons (in rows).

Phosphorus is denoted by the chemical symbol P and it is a chemical element with an atomic number of fifteen (15) and as such it is found in group five (5) of the periodic table.

Malleability is one of the chemical properties of a chemical element and it is simply a measure of it softness such as when hammered.

According to trends (patterns) of the periodic table, Phosphorus (P) is the chemical element which is the least malleable in its solid state.

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what is soil pollution​

Answers

Answer:

Soil pollution is defined as the presence of toxic chemicals (pollutants or contaminants) in soil, in high enough concentrations to pose a risk to human health and/or the ecosystem.

What is the function of sulphur (IV) oxide in the reaction represented by the following equation? SO 2(aq) + 2H2S(g) -> 35 (s) + 2H 20 (l)

A. Dehydrating agent
B. Oxidising agent
C. Bleaching agent
D. Acid
E. Precipitant ​

Answers

Oxidising Agent

Hope it helps you Please mark me as brainliest otherwise I will leave Brainly please.

This is a type of physical evidence that is present at the crime scene in very small quantities.

A. Trace Evidence

B. Indirect Evidence

C. Direct Evidence

D. Physical Evidence

Answers

The answers is A.

Trace evidence - Physical evidence that results from the transfer of small quantities of materials (e.g., hair, textile fibers, paint chips, glass fragments, gunshot residue particles).

Hot glass looks the same as cold glass?

Answers

Answer:

This is true. A hot glass does look the same as a cold glass. Glass won't change its look if it's below 648 degrees Celsius.

Yes cus number equal number wich equal number wich equal number wich equals yes

am I right or am I wrong what answer is it​

Answers

Answer:

you're righttttttttttttttttttttt

Answer:

yes because my class went over sum like that

Explanation:

Which shows an isomer of the molecule below?

Answers

Answer:

The answer is B, in this case.

Explanation:

An isomer is a molecule with the same number of atoms as another compound, but they differ in arrangement of the atoms.

1.
If a box has equal and opposite forces
acting on it, will the box accelerate?
oeste
Yes
No .

Answers

no, the box would not accelerate

Diagram 1 shows the species of carnivore animal. (tiger)

What is the use of canine teeth for the animal?

a. Tear food
b. grind food
c. cut food
d. chewing and crushing food​

Answers

Answer:

a no. because tearing the raw meat will not be easy without the use of the canine teeth

Explaining or interpreting the things you observe based on reasoning from what you already know is called a. observing. c. predicting. b. inferring. d. classifying.

Answers

The answer is b. inferring

Answer:

B. inferring

Explanation:

determine the empirical formula of the compound formed when 1.2g of magnesium reacts with 3.55g of chlorine.take the molar mass of magnesium and chlorine to be 24g and 35.5g.​

Answers

Answer:  MgCl2

Explanation:

Convert the masses of Mg and Cl to moles:

Mg:  1.2g/24g/mole = 0.050 moles

Cl:    3.55g/35.5g/mole = 0.100 moles

The ratio of Cl to Mg is 2 to 1:  (0.100 moles Cl/0.050 moles Mg),  Therefore there must be 2 Cl for every Mg:

MgCl2

This is the empirical formula since all we know is the ratio.  If could also be Mg2Cl4, Mg3Cl6, etc,  [i.e., (MgCl2)n]

What is the chemical formula for peracetic acid?

Answers

The chemical formula for peracetic acid is C2H4O3. This means that there are 2 atoms of carbon, 4 atoms of hydrogen, and 3 atoms of oxygen in a single molecule.

I think that the answer is C2H4O3.

h = 3.0 a + 28.2
A pediatrician uses the model above to estimate the height h of a girl, in inches, in terms of the girl's age a, in years. Based on the model, what is the estimated height of a 2-year-old girl?

Answers

Answer:

h = 34.2 in

Explanation:

h = 3.0a + 28.2

h = height of a girl.

a = age of a girl.

h = 3.0a + 28.2

h = 3.0(2) + 28.2

h = 6 + 28.2

h = 34.2

The estimated height of a 2-year-old girl is 34.2 in.

Hope this helps, thank you :) !!

_______is used for measuring mass.​

Answers

Answer:

physical quantity is used for measuring mass.

have a great day God bless you

1How do you calculate magnification on a light microscope?

Answers

To calculate the total magnification of the compound light microscope multiply the magnification power of the ocular lens by the power of the objective lens. For instance, a 10x ocular and a 40x objective would have a 400x total magnification. The highest total magnification for a compound light microscope is 1000x.

How many bonds can a carbon atom form?
A. 3
O B. 4
C. 2.
O D. 1

Answers

Answer:

B)4

Explanation:

Need the ionic formula

Answers

Answer:

To find the formula of an ionic compound, first identify the cation and write down its symbol and charge. Then, identify the anion and write down its symbol and charge. Finally, combine the two ions to form an electrically neutral compound.

Explanation:

4. What is the main hydrocarbon component of natural gas? A. ethane
B. ethene C. methane

7.The fact that alpha particles cannot travel very far trough body tissues is the main reason that radioactive tracers use to detect diseases in internal organs emit beta particles or gamma rays.
A. true B. false

8.A wax is an ester of a long-chain fatty acid and a long-chain alcohol. A. true
B. false

Answers

Answer:

Q.4) C. Methane

Q.7) A. False

Q.8) A. True

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Neha and Reha are playing see-saw. Neha is sitting 60 cm away from the fulcrum and Reha is sitting 40 cm away from the fulcrum. Calculate the effort that Reha should apply to lift Neha. The weight of Neha is 360 N.​

Answers

Answer:

Reha should apply 540 N to lift Neha.

Explanation:

L = 360 N

LD  = 60 m

E =?

ED = 40m

NOW

L * LD = E * ED

360 *60 = E*40

21600/40 = E

540 N = E

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