What is the density of an
object that has a mass of
120 g and volume of 5 ml?

Answers

Answer 1

The density of an  object ρ = 24 g/ml

Further explanation

Given

mass of an object = 120 g

volume = 5 ml

Required

The density

Solution

Density is a quantity derived from the mass and volume  

Density is the ratio of mass per unit volume  

Density formula:  

[tex]\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}[/tex]

ρ = density  

m = mass  

v = volume  

Input the value :

ρ = 120 g : 5 ml

ρ = 24 g/ml


Related Questions

Calculate the atomic mass of oxygen if the three common isotopes of oxygen have masses of 15.995 amu (99.759% abundance), 16.995 amu (0.037 % abundance), and 17.999 amu (0.204 % abundance).

Answers

Answer:

16 amu

Explanation:

You are a nurse giving a patient 0.75 cc per minute of a drug cocktail intravenously . A cc is 1ml of a solution . If the patient needs thr iv for 2 hours how many liters of this solution will you need to prepare

Answers

Answer:

90 mL

0.09 Liters

Explanation:

Givens

1 cc of solution = 1 mL

0.75 cc / min needed to go in intravenously.

2 hours needed.

? Liters

Solution

1 hour = 60 minutes

1 hours = 2 * 60 = 120 minutes

rate = 0.75 cc/minute

Liters = rate * time

Liters = 0.75 cc * 120 minutes

Liters = 90 cc

That's not the answer.

1 Liter has 1000 mL or ccs

x Liter has 90 mL          

Equation

1/x = 1000 / 90

Solution

Cross multiply

1000x = 90*1           Divide by 1000

x = 90/1000

x = 0.09 Liters.

Why don't we feel the air pressing on us all the time?

Answers

Answer: Why don't we feel the air pressing on us all the time?

Explanation:

Because air is a fluid, the weight of the air is transmitted to the palm of your hand and to the back of your hand at the same time. These forces cancel so that your hand overall feels no net force

Answer:the gravity in the atmosphere is pulling all the air so we can survive

Explanation:

The condition of having a small amount of gravity is called _____.
free fall

ISS

microgravity

Answers

Answer:

The effects of microgravity can be seen when astronauts and objects float in space. Microgravity can be experienced in other ways, as well. "Micro-" means "very small," so microgravity refers to the condition where gravity seems to be very small.

ANSWER: MICROGRAVITY

balance the word equation then determine the sum of all coefficients.
Gallium metal reacts with chlorine gas to produce gallium chloride. The sum of all coefficients in the balanced equation is ____?

Answers

The sum of all coefficients = 7

Further explanation

Given

The word equation

Required

The sum of all coefficients

Solution

The chemical equation can be expressed in terms of:

word equation skeleton equation balanced equation

Convert the word equation into a chemical equation(skeleton) :

Ga + Cl₂ → GaCl₃

Balanced equation

2Ga + 3Cl₂ → 2GaCl₃

The sum of all coefficients :

= 2+3+2

= 7

How many grams of Cl2 are needed to produce 2.4 grams of NaCl?
2Na + Cl2 --> 2NaCl

Answers

The answer is 0.017110756386119. We assume you are converting between moles NaCl and gram. You can view more details on each measurement unit: This compound is also known as Sodium Chloride. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles NaCl, or 58.44277 grams.

Hope I helped :)

According to the stoichiometry of the given chemical equation, 1.45 g of Cl₂ are needed to produce 2.4 grams of NaCl.

What is stoichiometry?

Stoichiometry is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.

Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.

According to the given chemical equation, 70.906 g of chlorine gives 117 g sodium chloride, thus, 2.4 g of sodium chloride will be produced, when 2.4×70.906/117= 1.45 g of Cl₂ reacts.

Thus, according to the stoichiometry of the given chemical equation, 1.45 g of Cl₂ are needed to produce 2.4 grams of NaCl.

Learn more about stoichiometry,here:

https://brainly.com/question/9743981

#SPJ6

How many moles are in 7.8g of CaO?

Answers

This compound is also known as Calcium Oxide. The SI base unit for amount of substance is the mole. 1 grams CaO is equal to 0.017832495800447 mole. Note that rounding errors may occur, so always check the results.

Hope I helped :)

Which place describes a community?

A. a desert of sand, rock, hawks, and snakes

B. the desert

C. a forest birds, insects, and squirrels

D. a hole in which a snake lives

Answers

answer c because a community is a group of people living in the same place or having a particular characteristic in common

Which element is a poor conductor of heat?
A. F
B.K.
C. Fe
D. Ag

Answers

The Answer Is Fe Because Fluorine Is a Gas (In Its Elemental Form) Which, Like Other Gases, Is Not a Good Conductor Of Either Heat Or Electricity.

Element X has three electrons in its outermost orbit.
Element Y has seven electrons in its outermost orbit.

What is the chemical formula of the ionic compound
formed by these elements when they react together?
(Use X and Y as the chemical symbols.)

PLEASE SOMEONE EXPLAIN THIS IN DETAIL

Answers

Explanation:

element x _ carbon having two shells 2,3

element y _ fluorine atomic no 9 EC 2,7

when carbon react with fluorine it destroyes graphite and form fluorocarbons and thus form covalent bond

hope it helps u


What temperature in Kelvin is 52 degree C?

Answers

Answer:

325 K

Explanation:

WILL AWARD POINTS AND BRAINLIEST
Which of the following is an example of a compound?

Select all that apply

H20

F2

C2H6

Ag


Is the answer H2O and C2H6?

Answers

Yes you are correct H20 and C2H6 are both compounds, something that helps is to notice the different elements to find that it’s made up of 2 or more elements making it a compound

a. What is the mass of 3.47x10^26 molecules of CuCl2?

Answers

Answer:

77460 g

Explanation:

To solve this problem first we convert molecules into moles, using Avogadro's number:

3.47x10²⁶ molecules ÷ 6.023x10²³ molecules/mol = 576.12 moles

Then we convert 576.12 CuCl₂ moles into grams, using its molar mass:

576.12 mol * 134.45 g/mol = 77460 g

So the answer is 77460 g, or 77.46 kg.

HURRY!!!! TIMED!!! WILL GIVE BRAINLIST!!!

A 10.0 g sample containing calcium carbonate (CaCO3) and an unreactive material was placed in excess hydrochloric acid, HCl. A reaction occurred, producing calcium chloride (CaCl2), water, and carbon dioxide. (a) write a balanced equation for the reaction (b) when the reaction was complete, 800 mL of carbon dioxide gas was collected. How many moles of calcium carbonate were used in the creation? (c) How many grams of CaCO3 were used? (d) If there was another contaminant in the sample that was not unreactive, would this have caused the percent yield of carbon dioxide to be higher, lower, or the same, explain your answer.

Answers

Explanation:

(a) write a balanced equation for the reaction

CaCO3 + HCl --> CaCl2 + H2O + CO2

The balanced equation is given as;

CaCO3 + 2HCl → CaCl2 + H2O + CO2  

(b) when the reaction was complete, 800 mL of carbon dioxide gas was collected. How many moles of calcium carbonate were used in the creation?

From the balanced reaction;

1 mol of CaCO3 reacts to produce 1 mol of CO2

1 mol of CO2 = 22.4 L of CO2

This means;

1 mol of CaCO3 reacts to produce 22.4L  of CO2

x mol would produce 800ml (0.8 L) of CO2

1 = 22.4

x = 0.8

x = 0.8 * 1 / 22.4 = 0.0357 mol

(c) How many grams of CaCO3 were used?

Mass = Number of moles * Molar mass

Molar mass of CaCO3 = 100.0869 g/mol

Mass = 0.0357 mol * 100.0869 g/mol = 3.57 g

(d) If there was another contaminant in the sample that was not un reactive, would this have caused the percent yield of carbon dioxide to be higher, lower, or the same, explain your answer.

The same

An un reactive contaminant in the sample is most likely a catalyst. Catalysts only affect the rate of reaction. They do not affect yields of products.

balance de CO2 + H2O​

Answers

Explanation:

6 CO2 + 12 H2O ---->C6H12O6 + 6 O2+ 6 H2O

Toothpaste is an alkali. How could you use the toothpaste to show that red cabbage is an indicator?

Answers

Answer:

PUT THE TOOTHPAST ON CABBAGE AND CHECK IT OUT AFTER A DAY

How do the formulas for molecular and ionic compounds differ? Explain the reason for
the difference.

Answers

Answer:

How do the formulas differ for molecular and ionic compounds? The formula for a molecular compound represents the atoms that make up one molecule of a compound. The formula for an ionic compound represents one formula unit of the compound. ... Put two electron between atoms to form a chemical bond.

Explanation:

lons form when atoms gain or lose valence electrons. When an atom gains
electrons, it becomes negatively charged, and when an atom loses
electrons it becomes positively charged. Why?

Answers

Answer:

In neutral atom number of electrons (negativity charged particle) and number of proton ( positively charged particle) are equal.

When one or more electrons are lost so positive charge particle increases and cation is formed.

For example in Na 11 electrons and 11 protons are present when it loses one electrons protons are 11 and 10 electron are remaining so one positive charge is present.

Morever when an element gain electrons one negative charge increases and anion is formed. For example in Cl 17 proton and 17 electrons are present when it gain one electron 18 electrons and 17 protons are now present one negative is more so anion negative ion is formed.

Explanation:

True or false; when something heats up, New energy is created, and when something cool down, Energy is destroyed.

Answers

Answer:

This is false.

Explanation:

This statement directly opposes the first law of thermodynamics which states that energy can neither be created nor destroyed, but can transfer from one source to another.

I need help with this question

Answers

Answer: atomic nucleus

Explanation:

If I have 5 mols of Neon how many grams of Neon do I have?

Answers

Answer:

20.1797 grams.

Explanation:

The molecular formula for Neon is Ne. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Neon, or 20.1797 grams.

PLEASE HELP!!!!!!!!!!!!!!!!!!!! ASAP!!!!!!!!! Which two elements are mainly found in the inner and outer core?
A. Fe and Ni
B. Fe and Si
C. Ni and Si
D. Ni and C

PLEASE TELL ME WHAT THOSE ABREVIATIONS MEAN ALSO!!!!!!!!!!!!!

Answers

a
fe is iron
ni is nickel

NEED HELP ASAP WILL GIVE BRAINLYEST Organisms that are made up of prokaryotic cells are NOT ____________. Multicellular All of these are true about prokaryotic cells Simpler than organisms made up of Eukaryotic celled organisms Bacteria

Answers

Explanation:

the answer is that prokaryotic cells are not multicellular

bro needs help

32.5 grams of NaOH reacts with an excess of CO2

2NaOH(s) + CO2(g) ⇒ Na2CO3(s) + H20

What is the theoretical yield of Na2CO3 in grams?

*** I NEED YOU TO SHOW YOUR WORK BROS, I ALREADY HAVE THE ANSWER (43.1g) ***

Answers

i tried and got 6.89g of Na2CO3

Does gases have a kinetic attraction? Yes or no.

Answers

Answer:

No

Explanation:

There are no interactive forces (i.e., attraction or repulsion) between the particles of a gas.

The average kinetic energy of gas particles is proportional to the absolute temperature of the gas, and all gases at the same temperature have the same average kinetic energy.

Mariyam, a marine biologist, measures the length of a great white shark at 4.5 m long and its teeth at an average of 50 mm long. She wants to convert both measurements to centimeters.

What should her new numbers be?

shark length: .45 cm; teeth: 0.50 cm
shark length: 45.0 cm; teeth: 50 cm
shark length: 450 cm; teeth: 5.0 cm
shark length: 4500 cm; teeth: 5.0 cm

I cant figure this out!!

Answers

Answer:

Its C. Please mark me brainliest if this helped

Someone please help I don't know if my answers are correct for this

Answers

Answer:

Your correct it is false

What happens to a molten ionic substance when an electric current is passed through it

Answers

Answer:

When an electric current is passed through a molten ionic compound the compound decomposes or breaks down. The process also occurs for aqueous solutions of ionic compounds. Liquids and solutions that are able to conduct electricity are called electrolytes

Explanation:

Source: the internet

PLEASE HELP ME, 20 POINTS

How many atoms are in 25.00 g of Li.

Question 1 options:

2.393 x 1024 atoms of Li


1.333 x 1023 atoms of Li


2.16 x 1026 atoms of Li


2.17 x 1024 atoms of Li

How many grams is 2.393 x 1024 atoms of Cl

Question 2 options:

70.45 g Cl


140.9 g Cl


140.9 mole Cl


70.45 mole Cl

How many atoms are in 25.00 g of B.

Question 3 options:

1.393 x 1024 atoms of B


1.333 x 1023 atoms of B


2.16 x 1026 atoms of B


2.17 x 1024 atoms of B

How many grams is 2.393 x 1024 atoms of O

Question 4 options:

70.45 g O


140.9 g O


63.58 mole O


63.58 g O

Answers

Explanations:

Question 1: Lithium in 20.00+ g is C. or D., but 25.00+ g is D. which means this is the correct option.

I am unsure of Question 2. I don't think it is mole though.

Question 3: Boron in 25.00-30.00 g is B. or D., but 25.00 g would be C.

Question 4: 2.393 x 1024 atoms of Oxygen is 63.58 mole O. I don't know for sure, but I think this is correct.

I am NOT professional. There is a chance I am incorrect. Please reply to me if I've made a mistake.

Scientists say that the solar system formed from______.

Answers

Answer:

a rotating disk of dust and gases

Explanation:

brainliest?

Answer:  scientists believe that the solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the explosion of a nearby star (called a supernova). ... Squeezing made the cloud start to collapse, as gravity pulled the gas and dust together, forming a solar nebula.

Explanation:

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