What is the density of an object that has a mass of 350 g and a volume of 95 cm?? Would
this object float in water?

Answers

Answer 1

Answer:

Density= 3.68g/cm³

The object will sink in water

Explanation:

D=m/v

=350/95

=3.684

≈3.68g/cm³

Water= 1g/cm³

The object will sink in water because the object is denser than the water.

Answer 2

3.684g/cm³ is the density of an object that has a mass of 350 g and a volume of 95 cm³. The object will sink in water.

What is density?

The density of a material (volumetric density and specific mass) is its mass per unit volume. The most common sign for density is however the Roman letter D can be used as well. Density is defined mathematically as mass divided with volume.

The density of a pure material has the same numeric values just like its mass concentration. Various materials have varied densities, and density can be important in terms of buoyancy, purity, and packing.

D=m/v

=350/95

=3.684g/cm³

The object will sink in water

Therefore, 3.684g/cm³ is the density of an object that has a mass of 350 g and a volume of 95 cm³. The object will sink in water.

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Related Questions

Which describes the greatest difference between gases and solids?
A. Solids feel softer than gases.
B. Gases are darker colors than solids.
c. Solids have stronger odors than gases.
D. Gases usually weigh less than solids.

Answers

Answer:

D)Gases usually weigh less than solids.

Answer:

D) Gases usually weigh less than solids

Explanation:

Gases don't have weight and solids do which automatically makes gases lighter because they don't have a mass like a solid.

The tetrahedral arrangement of bonds formed by carbon and its relevance In the interaction of biomolecules

Answers

Answer:

Due to the presence of 4 valence electrons.

Explanation:

The tetrahedral arrangement of bonds formed by carbon and its relevance In the interaction of biomolecules occurs because the carbon atom has four electrons in their outermost shell and the four hydrogens has one electron each which result is a total of eight electrons distributed in four bonding orbitals making the structure of tetrahedral and the bond angles between these carbon atoms is approximately 109.5 degree.

determine the pH of 0.150 M KOH

Answers

Answer:

pH=12.88  i believe that's the answer

Define trace gas in simple ​

Answers

Trace gases are those gases in the atmosphere other than nitrogen (78.1%), oxygen (20.9%), and argon (0.934%) which, in combination, make up 99.934% of the gases in the atmosphere (not including water vapor).

what is the use of connective tissue​

Answers

Answer:

Explanation:

Major functions of connective tissue include: 1) binding and supporting, 2) protecting, 3) insulating, 4) storing reserve fuel, and 5) transporting substances within the body. Connective tissues can have various levels of vascularity.

Answer:

Connective tissues can have various levels of vascularity.

Explanation:


What is the molarity of 20.0 grams of NaOH dissolved in 1.50 L of solution?
(NaOH Molar Mass! 39.997 g/mol)

Answers

Molarity = moles/litre
mol/L=g/(g/mol) (which is g times mols per g)

will give you mols then divide that by L to get mol/L

so
M=g x mol/g x L
M=(20 x 1 x 1.50)/39.997

teaching self-regulation begins with helping a child

Answers

Answer:

hey jazmin! I have been on your friends list for a while on brainly, I thought I'd say hi.

Balancee las ecuaciones químicas por el método de tanteo e identifique que tipo de reacción es: 1.1.- Cloruro férrico acuoso reacciona con carbonato de sodio sólido para formar carbonato férrico sólido y cloruro de sodio acuoso.

Answers

Respuesta:

2 FeCl₃(aq) + 3 Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + 6 NaCl(aq)

Explicación:

Consideremos la ecuación no balanceada que ocurre cuando cloruro férrico acuoso reacciona con carbonato de sodio sólido para formar carbonato férrico sólido y cloruro de sodio acuoso. Esta es una reacción de doble desplazamiento.

FeCl₃(aq) + Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + NaCl(aq)

Vamos a usar el método de tanteo. Empezaremos balanceando los átomos de C, multiplicando Na₂CO₃ por 3.

FeCl₃(aq) + 3 Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + NaCl(aq)

Luego, balancearemos los átomos de Fe, multiplicando FeCl₃ por 2.

2 FeCl₃(aq) + 3 Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + NaCl(aq)

Finalmente, obtendremos la ecuación balanceada, multiplicando NaCl por 6.

2 FeCl₃(aq) + 3 Na₂CO₃(s) ⇒ Fe₂(CO₃)₃(s) + 6 NaCl(aq)

6. When you're fighting over a toy with your brother you might
exclaim this ...?


Answers

Hey, this is my toy so I get to use it.

Or, GIVE IT TO ME YOU LITTLE SH*T!

Either one does the trick but i recomemmnd the second option

Where must the moon be in its orbit for the full moon phase to be visible?
A
exactly crossing Earth's orbit of the sun

B
on the side of Earth opposite the sun

C
between Earth and the sun

D
directly above one of Earth's poles

Answers

Answer:

A.EXACTLY CROSSING EARTH'S ORBIT OF THE SUN

The moon must be exactly crossing Earth's orbit of the sun for the full moon phase to be visible.

What is Full moon?

This is a situation where the Sun and the Moon are aligned on opposite sides of Earth with a corresponding illumination from the Sun.

It also occurs when the moon crosses the Earth's orbit of the sun and is denoted as option A.

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Given that ammonia (NH3) acts as a weak base in water with a Kb of 1.8 x 10-5 at 298.0 K, calculate the pH at 298.0 K of a solution prepared by mixing 100.0 mL of a 0.050 M aqueous solution of ammonia with 20.0 mL of a 1.00 M aqueous solution of nitric acid. The final volume of the solution is 120.0 mL.

Answers

Answer:

pH = 0.903.

Explanation:

Hello there!

In this case, according to the given information about the problem, we can notice there is a reaction between nitric acid and ammonia, whereas just the H ions from the former are relevant:

[tex]NH_3(aq)+H^+(aq)\rightleftharpoons NH_4^+(aq)[/tex]

Thus, we first calculate the consumed moles of ammonia, it order to evaluate the moles after the reaction:

[tex]n_{H^+}=0.020L*1.00mol/L=0.020mol\\\\n_{NH_3}=0.100L*0.050mol=0.005mol[/tex]

It means there is a leftover of moles of hydrogen ions of 0.015mol; then, we calculate the molarity of the resulting solution as follows:

[tex][H^+]=\frac{0.015mol}{0.120L}=0.125M[/tex]

Finally, we use the formula for the calculation of the pH to obtain:

[tex]pH=-log(0.125)\\\\pH=0.903[/tex]

Which means this solution is highly acidic.

Regards!

I don't understand with the question number 4, does anybody understand how to do it?

Answers

Answer:

iodine = I

sodium= Na

oxygen= O2

aluminum = AI

nitrogen=N

sulfur= S

bromine =Br

magnesium =Mg

Lewis acid-base concept have the following characteristics except:
A. formation of an adduct
B. formation of a coordinate covalent bond
C. donation and acceptance of an electron pair
D. donation and acceptance of a proton

Answers

Answer:

Option A) Formation of an adduct.

Explanation:

Lewis acid-base concept have the following characteristics except? Option A. Have a great day .

The Lewis acid -base concepts states that acid are electron acceptors and bases are electron donors. Hence, this concept is based on the donation and acceptance of electron pair. Thus, option C is correct.

What is Lewis acid -base concept ?

According to Lewis concept of acids and bases acids are substances tends to accepts electrons and bases are electron donors. Therefore, Lewis acids are electron deficient or electrophiles.

Similarly Lewis bases are electron rich or nucleophiles. For example BF₃ is a Lewis acid and NH₃ is a Lewis base. Hence,  BF₃ can accept electron from the lone pair of nitrogen from the Lewis base NH₃. and forms the acid-base pair NH₃ - BF₃.

Lewis acid- base concepts thus states the donation and acceptance of an electron pair. Hence, option C is correct.

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Please help me!! And please no links!!!!

Write a clear scientific explanation of how and why the water ended up on the mirror and not in the tub. Be sure to include scientific vocabulary (including any phase changes that occurred and the role of kinetic energy).

Vocabulary words-
Condensation
Gas
Heat
Kinetic energy
Liquid
Steam
Vaporization
Water vapor

Answers

Answer:

The water was hot it turned into steam then turned to water vapor and the got  attached to the glass and as the gas got attached the glass and it built up then became water again. As the vaporization was happening the gas was moving hence the energy building up.

Explanation:

Bcuz it turned to steam.

which element have the formula C6H12O6?​

Answers

Answer: Glucose is a simple sugar with six carbon atoms and one aldehyde group.

Explanation: hope this helps you

Answer:

the answer of this is glucose

Question is in picture! Due at 3:45!!!

Answers

the answer is D.2HCl

If 25.5g of sodium thiosulphate was dissolved in 40g of distilled water at 25°C,
I). Calculate the solubility of the solute in mol/dm^3
II). Calculate the solubility in g/dm^3

Answers

Answer:

Formula: Na2S2O3

we get solubility.

Divide the mass of the compound by the mass of the solvent and then multiply by 100 g to calculate the solubility in g/100g .

Solution given:

mass of sodium thiosulphate [m1]=25.5g

mass of water [m2]=40g

at temperature [t]=25°C

we have

solubility in g/dm^3 :[tex] \frac{solute in gram}{solvent in gram} *100[/tex]

=[tex] \frac{25.5}{40}*100 [/tex]=63.75g /litre=63.75g/dm³

solubility in g/dm^3 :63.75g/dm³

now

solubility of the solute in mol/dm^3=:63.75g/dm³/178=0.4 mol/dm³

Ann is studying acid base neutralization reactions and mixes sodium hydroxide and hydrochloric acid. The reactants were clear,
colorless solution and mixing them produces a clear, colorless final solution and the beaker becomes warm. She knows this reaction
forms liquid water and an aqueous salt based on the neutralization rules as shown by the chemical equation. What physical evidence
indicates that there has been a chemical rea
NaOH(aq) + HCl(aq) - NaClaq) + H2 °C)
图 40)
A)
The solution changes color.
B)
Precipitate formation occurs.
C)
The beaker changes temperature.
D)
Gas bubbles form during the reaction.

Answers

Answer:C

Explanation:

Got it right in usatestprep

The physical evidence that indicates that there has been a chemical reaction is that the beaker changes temperature and the correct option is option C.

What is Neutralization reaction?

Neutralization is a chemical reaction in which acid and base react to form salt and water. Hydrogen (H⁺) ions and hydroxide (OH⁻ ions) react with each other to form water.

The strong acid and strong base neutralization have a pH value of 7.

The beaker gets warm which indicates that the reaction between acid and base is an exothermic reaction releasing heat energy into the surroundings.

Therefore, The physical evidence that indicates that there has been a chemical reaction is that the beaker changes temperature and the correct option is option C.

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How many days does it take the moon to orbit the Earth once.

Answers

Answer:

27.3 days

Explanation:

I really have no explanation lol.

Answer:

Hope thia helps

Explanation:

it takes 27.3 days!!!

What can you say about the forces between the particles of these gases)​

Answers

Answer:

Gas – In a gas, particles are in continual straight-line motion. The kinetic energy of the molecule is greater than the attractive force between them, thus they are much farther apart and move freely of each other. In most cases, there are essentially no attractive forces between particles.

Explanation:hopes this helps:)

A reaction yield 6.26 g of a product what is the percent yield if the theoretical yield is 18.81 g

Answers

Explanation:

remember the equation percentage yield = actual/theoretical yield

so 6.26/18.81 X 100 gives u 33.28017012 so to 3 SF ot would be 33.3%

hope this helps:)

The statement, that describes the percent yield is 33.280 g.

What is percent yield?

The percent yield is the ratio of actual yield to theoretical yield. It is computed by dividing the experimental yield by the theoretical yield and multiplying the result by 100 percent. If the actual and theoretical yields are equal, the percent yield is one hundred percent.

To express the efficiency of a reaction, use the following formula: percent yield

= (actual yield/theoretical yield) x 100

= (6.26 g/ 18.81 g) x 100

= 33.280 g

Hence the correct answer is 33.280 g.

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NEED ASAP!
Describe how scientific discoveries have changed our culture, national and international legislation.

Answers

Answer:

discoveries that can change little aspects of our daily lives or finding cures for diseases that have hounded humanity, scientists have been hard at work trying to push us toward a brighter future.

Explanation:

thats what i got from my research :D

no links pls it’s very unhelpful

Answers

answer : i don’t knowww :)

Right spelling:

Answer: I don’t know. :)

PLS HURRY TY top says "Part Two: Look at the molecules shown below. Count the number of atoms of each element and write the molecule’s formula. (You may not get the exact order of the elements in the formula, but you must have the number of atoms of each element correct.) An example has been provided. Additionally, in the boxes with an asterisk (*), write the name of the compound (from front). "

Answers

Answer: capsaicin C18 H27 NO3

Explanation: I just know the last one sorry G

PLESE HELP WILL GIVE BRAINLYESTY
Imagine that you are Francis Bacon. Write a short autobiographical statement that talks about who you are, where you’re from, and some of your important contributions.

Answers

Answer:

My name is Francis Bacon I am a English philosopher and statesman. i was born on January 22, 1561, at York House off the Strand, London. Today, Bacon is still widely regarded as a major figure in scientific methodology and natural philosophy during the English Renaissance. Having advocated an organized system of obtaining knowledge with a humanitarian goal in mind, he is largely credited with ushering in the new early modern era of human understanding.

Explanation:

Define Malleability.
Ty!!

Answers

Answer:

Malleability is a capability of making shaped or extended by hammering.

For example:

making a a ring of gold by hammering and heating gold.

Measurements of half-life make radioactive isotopes useful for

Answers

The half-lives of certain types of radioisotopes are very useful to know. They allow us to determine the ages of very old artifacts. Scientists can use the half-life of Carbon-14 to determine the approximate age of organic objects less than 40,000 years old.

2. what is the factor in an experiment that a scientist wants to observe, which may change in response to
the manipulated variable; also known as a dependent variable​

Answers

I believe the answer is observation


which method is suitable for collection a a
carbon dioxide.Explain​

Answers

Answer:

Carbon dioxide can be collected over water. Carbon dioxide is slightly soluble in water and denser than air, so another way to collect it is in a dry, upright gas jar.

Explanation:

Why do clouds appear and disappear?

Answers

Answer: Clouds are composed of liquid suspended water droplets in about a 100% RH environment. The three primary ways that clouds dissipate is by (1) the temperature increasing, (2) the cloud mixing with drier air, or (3) the air sinking within the cloud. Many things can increase the temperature of the cloud, like the sun, or warm air radiating off of the ground. That's why low fog and clouds tend to disappear as it warms up during the day. ... The air within the cloud descends - When the air descends, it warms.

Explanation:

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