Question 23 (1 point)
A student is given an object with a mass of 14.8 grams. When placed into a
graduated cylinder the water level rises from 25.0 mL to 34.7 mL.
What is the density of the object and would you expect it to float or sink in the
graduated cylinder if water has a density of 1.00 g/mL? Show all of your work.

Answers

Answer 1

Answer:

d = 1.53 g/mL

Object will sink into water

Explanation:

Given data:

Mass of object = 14.8 g

Initial volume of water = 25.0 mL

Final volume after adding object = 34.7 mL

Density of object = ?

Density of water = 1.00 g/mL

Solution:

Volume of object = Total volume - volume of water

Volume of object = 34.7 mL - 25.0 mL

Volume of object = 9.7 mL

Density of object;

d = mass/volume

d = 14.8 g /  9.7 mL

d = 1.53 g/mL

The density of water is 1.00 g/mL which means object is heavier than water thus object will sink into the water. The object with density less than water are float in it.


Related Questions

PLZ HELP YOUVE GOT 10 MINUTES AND I WILL MARK YOU BRAINIEST OR WHATEVER ITS CALLED, it’s the last question on my test

Answers

Answer:

The answer is Chromatography, I believe.

Explanation:

Chromatography is the method used to separate the color pigments in ink or other liquids.

What are the top 5 states which consume the most turkey

Answers

Answer:

Based on Google Trends, the search term “turkey” is most popular in the states of Tennessee, Pennsylvania, and New Hampshire, with Indiana and Vermont rounding up the top 5.

Californians consume the most turkey per capita of any state, while not being one of the top five. It's Missouri. It comes in at five. Minnesota is the state that produces the most turkeys, followed by North Carolina, Arkansas, and Virginia.

What is turkey ?

Turkey, or the Republic of Turkey, is a transcontinental nation with the majority of its territory in Western Asia's Anatolia Peninsula and a tiny section in Southeast Europe's Balkan Peninsula.

The official name of Turkey is now Türkiye. The United Nations has officially accepted the adjustment requested by the Turkish government that the nation be referred to by its Turkish name.

Turkey is well-known for a variety of both oriental and European aspects, including the magnificent Hagia Sophia and traditional Turkish tea. Additionally, well-known are its carpets, hammams, bazaars, travel hotspots like Cappadocia and Istanbul, and sweets like baklava and Turkish delight.

Thus,  Minnesota is the state that produces the most turkeys, followed by North Carolina, Arkansas, and Virginia.

To learn more about turkey, follow the link;

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Which of these are properties of metals? Select all that apply.
A. ductile
B. semiconductors
C. shiny
D. gases at room temperature
E. malleable​

Answers

Answer:

E,A,D i beleve

Explanation:

im pretty sure thats what it is

Under what conditions can a supersaturated solution be formed?
A- cool the solution back down to room temperature very carefully
B- cool the solution back down to room temperature haphazardly
C- leave the solution undisturbed as it is cooling
D- heat a solvent above room temperature
E- cool a solvent below room temperature

Answers

Answer:

E. Cool a solvent below room temperature

Explanation:

When a solution that has had more solute dissolved at a higher temperature is now cooled, it becomes supersaturated at the lower temperature. Because that supersaturated solution holds more solute than is stable at the lower temperature, crystals start to form.

To solve this we must be knowing each and every concept related to  supersaturated solution. Therefore, the correct option is option E among all the given options.

What is supersaturated solution?

The excess solute solution that the solvent can dissolve is known as a supersaturated solution. The substance that may dissolve in a solution, such as salts but not limited to salts, is referred to as a solution if we are unsure of what a solute or solvent is.

A solution becomes supersaturated at a lower temperature when it is cooled after having additional solute incorporated at a higher temperature. Crystals begin to form because the supersaturated solution contains more solute than would be stable just at lower temperature.

Therefore, the correct option is option E among all the given options.

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The balanced half-reaction in which chlorine gas is reduced to the aqueous chloride ion is a ________ process. one-electron two-electron four-electron three-electron six-electron

Answers

Answer:

Two-electron.

Explanation:

Hello!

In this case, since the half-reaction by which chlorine is reduced to aqueous chloride ion is:

[tex]Cl^0_2\rightarrow 2Cl^-[/tex]

We can see each chlorine undergo a decrease of electrons by 1, it means that, since there are two chlorine atoms undergoing an electron decrease, we write:

[tex]Cl^0_2+2e^-\rightarrow 2Cl^-[/tex]

Which means this is a two-electron process.

Best regards!

Which has a smaller atomic radius: antimony (Sb) or bismuth (Bi)?

Answers

Bi

The nitrogen family includes the following compounds: nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi).
answer: bi


...................

Samantha AS
Which of the following compounds is ionic but yet it is expected to
contain covalent bonds as well in the form of a polyatomic ion?

NH3

KBr

CO2

NaF

Fe(NO2)3

Answers

Answer:

Fe(NO2)3

Explanation:

A poly atomic ion is an ion that contains more than one atom.

If we look at all the compounds that have been mentioned among the options; KBr and NaF are both ionic but do not contain any covalent poly atomic ion.

However, Fe(NO2)3  contains NO2^+ which is a poly atomic ion that contains the covalent bond.

Derive an expression for the molar mass of a gas starting with its density?

Answers

Answer:

The relationships between molar mass and density for a monoatomic gas can be easy.  

The Ideal Gas Law, PV = nRT can be arranged so that n moles equals the mass/molar mass of the gas to become,

PV =  

M

mRT

​  

 

where m is the mass and M is the molar mass.

M =  

PV

mRT

​  

, if you hold the temperature of the gas constant the equation reduces to the Boyle's law or  

PV

m

​  

 

The mass will be constant assuming the container is closed and so the gas cannot be escaped so, PV will be constant.  

D =  

V

m

​  

 and M =  

PV

mRT

​  

 

M =  

P

DRT

​  

 

The higher the density of the gas the higher the molar mass and vice versa.

Explanation:

11. Which of the following equations shows a
synthesis reaction?
A
B
C
D

Answers

Answer: D

Explanation:

hich of the following best describes a person doing science?

A.
Dominick uses a computer to do his math homework.
B.
Lindsay measures the sizes of the craters on the Moon.
C.
Isabel invents a new kind of doorknob.
D.
Murray randomly predicts the result of a coin toss.

Answers

Answer:

I think it is answer B. what grade are you in? im in 7th.

Explanation:

the specific heat capacity of titanium is 0.523j/g c what is the heat capacity of 2.3g of titanium

Answers

Answer:

1.2029 J/g.°C

Explanation:

Given data:

Specific heat capacity of titanium = 0.523 J/g.°C

Specific heat capacity of 2.3 gram of titanium = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

1 g of titanium have 0.523 J/g.°C specific heat capacity

2.3  × 0.523 J/g.°C

1.2029 J/g.°C

I need serious help​

Answers

Answer:

with what may I ask?

Explanation:

enshdufhd

Answer:

No teooobh the awnser is carrot

Explanation:

What is the definition of a fossil?
A. the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
B.the body of a dead organism such as a dinosaur
C. the bones of an animal that has died and been buried in sand
D. something that is very old or ancient that has been found or studied by scientists

Answers

Answer:

A. The remains or impression of a prehistoric organism preserved in a petrified form or as a mold or cast in a rock

Explanation:

A.the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock

Identify an element that is NOT in its standard state.
Choose the one alternative that best completes the statement or answers the question.
A) N2(g)
B) Xe(g)
C) Ca(s)
D) N(g)

Answers

Explanation:

Xenon is a gas in its standard state

Calcium is a solid in its standard state

Nitrogen is a gas in its standard state

I am assuming that N2 is a isotope of nitrogen, not sure which but by the process of elimination I think that is the answer

The original solution used to make the solutions for the standard curve was prepared by dissolving 2.60g of CoCl2 (molar mass 130.g/mol ) in enough water to make 100.mL of solution. What is the molar concentration of the solution?

Answers

Answer:

0.200 M

Explanation:

Step 1: Given data

Mass of CoCl₂ (m): 2.60 gMolar mass of CoCl₂ (M): 130 g/molVolume of solution (V): 100 mL

Step 2: Calculate the moles (n) of CoCl₂ (solute)

We will use the following expression.

n = m/M

n = 2.60 g/(130 g/mol)

n = 0.0200 mol

Step 3: Convert "V" to liters

We will use the conversion factor 1 L = 1000 mL.

100 mL × 1 L/1000 mL = 0.100 L

Step 4: Calculate the molarity of CoCl₂

We will use the definition of molarity.

[CoCl₂] = n/V(L)

[CoCl₂] = 0.0200 mol/0.100 L

[CoCl₂] = 0.200 M

The molar concentration of the solution is 0.2 M.

First, we must calculate the number of moles of CoCl2 as follows;

Number of moles = mass/molar mass

mass = 2.60g

Molar mass =  130.g/mol

Number of moles = 2.60g/ 130.g/mol = 0.02 moles

Molarity of solution = Number of moles/volume of solution in liters

Volume of solution = 100.mL or 0.1 L

Molarity of solution = 0.02 moles/0.1 L

Molarity of solution = 0.2 M

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What are the other properties of pure substance

Answers

Answer:

Characteristics and Properties Of Pure Substances

Pure substances are mostly homogeneous in nature containing only one type of atoms or molecules. These substances mainly have a constant or uniform composition throughout. The substances have fixed boiling and melting points.

Explanation:

they have fixed boiling and melting

If the mass of an object on Earth is 25 kg, what is its weight?

Answers

Answer:

250 Newtons.

Explanation:

Weight is a force and the Second Law of Newton can be used to figure out the Force ( weight) of this mass. Since F = ma, and 'a' on Earth is the acceleration due to freefall at 10 m/s^2 ( really 9.8 m/s^2- so your teacher may want your answer as 245 N), you multiply your mass ( 25g ) and your acceleration on Earth and you get 250 N.

6.Which of the following is NOT true about the lens?

Answers

the answer is A btw

The following statement which is NOT true about the lens is:

A. It sends light to the optic nerve

The lens is a piece of glass which  is used for the dispersal or refraction of light and is used to focus light onto the retina of the eye.

As a result of this, the lens is responsible for refracting of light, focusing of light and it is transparent. However, it does not send light to the optic nerve.

Therefore, the correct answer is option A

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suppose 2.5g of compound a and 3.5g of compound b are consumed in a reaction that produces only one product compound c

Answers

Answer:

Mass of compound c = 6 g

Explanation:

Given:

Mass of compound a = 2.5 g

Mass of compound b = 3.5 g

Find:

Mass of compound c

Computation:

According to Law of conservation of mass

Mass of compound a + Mass of compound b = Mass of compound c

Mass of compound c = 2.5 + 3.5

Mass of compound c = 6 g

7 proton, 7 neutrons, 10 electrons

Answers

Answer: its nitride ion

Explanation:

So I have a big problem

To decrease the power used:
O A. make sure the circuit wires run horizontally.
B. increase the voltage.
O C. decrease the current.
O D. increase the resistance.

Answers

C. Decrease the current

The reaction HNO3(aq) + NaOH(aq) ->NaNO3(aq) + H2O(l) is an example of _____?

Answers

Answer: It is a double displacement reaction sry I dont know an example of it tho

Explanation:

Look it up maybe step by step

Two 1 kg masses are heated up on a hotplate for the same amount of time. One is made of copper, the other of iron. The copper one rises from 20°C to 30°C , but the iron one only goes from 20°C to 25°C. Explain why this happens.

Answers

Answer:

my explanation is best on conduction which is the process of heat being evenly distributed between or in metals and in this case copper absorbs heat faster than iron that's what I think

What is the formula for Nickel (II) Bisulfate?​

Answers

Answer:

[tex]NiHSO_{4}[/tex]

Explanation:

We're using nickel with a charge of 2, as indicated by the "(II)" in the name, and bisulfate refers to HSO[tex]_{4}[/tex], which has a charge of 2-, so they are in a 1:1 ratio.

What volume of hydrogen gas at STP will be produced from 36.7 g of magnesium reacting with an excess amount of hydrochloric acid?

Answers

Answer:

V = 34.3 L

Explanation:

Given data:

Volume of hydrogen produced = ?

Mass of magnesium = 36.7 g

Temperature and pressure = standard

Solution:

Mg + 2HCl       →   MgCl₂ + H₂

Number of moles of magnesium:

Number of moles = mass/molar mass

Number of moles = 36.7 g/ 24 g/mol

Number of moles = 1.53 mol

Now we will compare the moles of magnesium with hydrogen.

                         Mg           :          H₂

                          1              :           1

                         1.53          :          1.53

Number of moles of hydrogen produced = 1.53 mol

Volume of hydrogen:

PV = nRT

V = nRT / P

V = 1.53 mol × 0.0821 atm.L/mol.K × 273 K/ 1 atm

V = 34.3 L

25 grams of radon-222 remains after 15.28 days. How much radon was in the original sample? Write an equation for the decay of radon-222.

Answers

Answer:

half-life = 3.8 days

total time of decay = 15.2 days

initial amount = 100. g

number of half-lives past: 15.2/3.8 = 4 half-lives

4 half-lives = 1/16 remains

100. g x 1/16 = 6.25 g

Which element has three electron shells and 4 valence electrons?


Silicon


Carbon


Gallium


Argon

Answers

Answer: Silicon

Explanation:

For something to have 4 valence electrons, it must be in the 14th column, which elimates gallium and argon for the possible answers. For somethign to have 3 electron shells, it must be in the third row of the periodic table which means the answer is silicon.

Answer:

Gallium

Explanation:

I believe this is the answer if not then the only other option is boron but anyways the answer is Gallium

Mechanical weathering does not change a rock’s
A
shape.

B
size.

C
appearance.

D
composition.

Answers

Answer:

C

Explanation:

Answer:

B: Size

Explanation: It can break it into smaller pieces but not change its composition.

The boiling point of an aqueous solution is 101.54 ∘C. What is the freezing point

Answers

Answer:

101.54 .C.

Explanation:

Determine the frequency of light with a wavelength of 4.50 x 10-7 m.

Answers

The frequency of a photon of red light with wavelength 4.50 x 10−7m is 6.67 x 1014Hz
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