The density of a liquid is 6.0g/cm3 , when it fills a container of volume 300cubic centimeters . What is the mass of the liquid in the container?
Answer:
1800g
Explanation:
b/c d=m/v
m=dv
m=300×6=1800g
The mass of the liquid in the container is equal to 1800 g.
What is the density?The density of an object can be described as the mass per unit volume of the object. The average density of any substance equals the total mass of the substance divided by its total volume.
The mathematical formula of the density can be expressed as follows:
The density of material = Mass/Volume
Mass = density × Volume
The S.I. unit of the density of any substance is Kg/m³ and it is an intrinsic property. If the size of the substance increases, the mass increases as well but the density of the substance will stay constant.
Give, the density of the liquid, d = 6.0 g/cm³
The volume of the container, V = 300 cm³
The mass of the liquid = 6 ×300 = 1800 g
Therefore, the mass of the liquid is equal to 1800 g.
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identify the number of bonding pairs and lone pairs of electrons in water.
Answer:
2 bonding pairs and 2 lone pairs
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does the tempurture of the vinegar affect the volcano flow
what non metal is used in the process of vulcanization of rubber
Answer:
Sulphur
Explanation:
Sulphur evolves the elastics of rubber, therein by heating it to make it...Hot.
Compare the types of elements in covalent molecular compounds vs. ionic compounds. explain
Answer:
Covalent or molecular compounds form when elements share electrons in a covalent bond to form molecules. Molecular compounds are electrically neutral. Ionic compounds are (usually) formed when a metal reacts with a nonmetal (or a polyatomic ion). Covalent compounds are formed when two nonmetals react with each other.
Explanation:
Hope this helps.
Describe the endogenous pathways of cholesterol metabolism.
Explanation:
Endogenous pathway for lipid metabolism: VLDL is formed in the liver from triglycerides and cholesterol esters. ... In the liver, LDL is converted into bile acids and secreted into the intestines. In non hepatic tissues, LDL is used in hormone production, cell membrane synthesis, or stored.
Someone pls help me I will make you brain
Answer:
i guess the answer is..true
the ozone in troposphere protects the earth from ultra violet waves that may cause global warming
6C6H12O6
How many total atoms of oxygen are present in the molecules represented here?
Answer:
The answer is 36 atoms
Explanation: I took the test and i got 100%
There are 36 oxygen atoms in the representation "6 C₆H₁₂O₆".
We have the expression "6 C₆H₁₂O₆", which represents 6 molecules of C₆H₁₂O₆.
The subscripts are the atomicities of the element, that is, the number of atoms of each element in 1 molecule.
There are 6 atoms of oxygen per molecule of C₆H₁₂O₆. Considering that there are 6 molecules, the total number of atoms of oxygen are:
[tex]6 Molecules \times \frac{6\ O\ atoms}{1Molecule} = 36\ O\ atoms[/tex]
There are 36 oxygen atoms in the representation "6 C₆H₁₂O₆".
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label the particles, charges, & mass for Elements: 6, 8 & 10?
Answer:
charges, & mass
Explanation:
Why can liquid metal be poured into a block-shaped mold?
Describe what happens to the shape and volume of the liquid
metal.
Answer:
yes
Explanation:
because
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Greenhouse gases such as N2O, CO2 and CH4 absorb heat. However, CH4 absorbs more heat than CO2 hence its emission must be controlled.
Green house gases are gases that when released into the atmosphere, can absorb infrared radiation and prevent it from escaping into outer space. This causes the temperature of the earth to increase steadily. Lately, the concentration of the greenhouse gases in the atmosphere has increased owing to anthropogenic activities such as burning of fossil fuels.
Green house gases include; N2O, CO2, CH4 etc. However, CH4 is capable of absorbing even greater heat than CO2. This makes it even more imperative to control the emission of methane gas.
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According to the kinetic molecular theory, the pressure of a gas increases as
the number of moles of gas molecules increases because —
Answer:
The volume of the gas therefore becomes large as the temperature of the gas increases, the frequency of collisions with the walls of the container must increase. This, in turn, leads to an increase in the pressure of the gas.
Explanation:
hope it helps.
A superficial dermal erythema that is classified as an exanthem is more commonly known as a(n) __________
Answer:
ITS CALLED RASH
Explanation:
The graph of an object's position over time is a horizontal line and y is not equal to 0. What must be true about the object's motion?(1 point)
o The acceleration is constant and non-zero.
o The velocity is constant and non-zero.
o The velocity is zero.
o The acceleration is negative.
Answer:
The velocity is zero
The interpretation of a position-time graph is required.
The correct option is The velocity is zero.
In a position time graph the y axis denotes the position and x axis denotes the time.
A horizontal line where [tex]y\neq 0[/tex].
This means that the points of the line will be for some value of x, the y value will always be constant.
The slope of a position-time graph will gives the velocity of the object.
Slope is given by
[tex]m=\dfrac{\Delta y}{\Delta x}[/tex]
Here, since the graph is a horizontal line, [tex]\Delta y=0[/tex]
[tex]\Rightarrow m=\dfrac{0}{\Delta x}=0[/tex]
The velocity of the person will be zero.
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3.7x10^45 molecules of hydrogen gas = how many grams of hydrogen gas
Since we weren't given the moles of hydrogen, we have to find it. However, we can do it all in one step if we set up the equation correctly.
Since Mass = moles × molar mass
& Moles = #molecules ÷ Avogadro's Number
∴ mass = (#molecules ÷ Avogadro's Number) × molar mass
= (3.7 × 10⁴⁵ mcules ÷ (6.022 × 10²³ mcules/mole)) × 1.008 g/mol)
= 6.19 × 10²¹ g
a helium laser emits light with a wavelength of 633nm. what is the frequency of light
Answer:
14 ft 7 inches
step-by-step explanation:
since each model inch corresponds to 25 real inches, 7 model inches will correspond to
7×25" = 175"
at 12" per foot, that is 14 feet, 7 inches.
Explanation:
I will brainless who can answer this all pleaseeeeej
Answer:
False, True, True, False, False, not sure, True, False, True, True
here u go
5.
The weight of an object is the force of attraction between the object
and the Earth
TRUE
FALSE
Answer: True
Explanation:
If you’ve seen a baseball game, you’ve probably also experienced the sight of a ball going up and up, until you begin to wonder when it’s going to come down! Yet every time, the ball does fall back to earth. Why? Gravity is an attractive force that exerts a pull between two objects, such as a baseball and the earth.
Pls helpppp me if you cannn
Answer:
Solution A : calcium hydroxide
Solid B : calcium oxide
Gas C : Hydrogen gas
Explanation:
i) When metals react with water they form hydroxides thus calcium hydroxide
ii) When metals eact with oxygen they form oxides.
iii) Wehn metals react with hydrochloric acid they form a salt and a gas hydrogen.
HOPE THIS HELPED
Using the periodic table, calculate the number of protons, neutrons, and electrons for Calcium, Argon, and Bromine.(Ca,Ar,Br)
Answer:
Calcium has 20 protons 26 neutrons and 20 electrons.
argon has 18 protons
22 neutrons and 18 electrons
Bromine has 35 protons 44 neutrons and 35 electonrs
Explanation:
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What gas is dissolved into soft drinks such as soda which causes them to bubble when opened? A. Carbon dioxide B. Ethylene C. Hydrogen D. Argon
Answer: A, Carbon Dioxide
Explanation:
A. Soda water, like other carbonated beverages, contains carbon dioxide that has dissolved under pressure. When the pressure is released by opening the soda container, the liquid cannot hold as much carbon dioxide, so the excess bubbles out of the solution.
Answer:
A. carbon dioxide
Explanation:
the answer is A
convert 230.000 000 000 mi into scientific notation
Answer:2.3×10^11
Explanation:since scientific notation is as a×10^k with 0<a<=9
jeffrey is on his skateboard and starts skating down a ramp. ten seconds later he is traveling at 20.0m/s calculate the acceleration
If an atom has 4 protons and 2 electrons its charge will be:
Answer:
It's charge will be positive
Explanation:
4>2
How many grams of Fe can be produced when 6.10 g of Fe2O3 reacts?
As per the balanced reaction, two moles or 319.4 g of Fe₂O₃ gives 4 moles or 223.4 g of Fe. Thus 6.10 g gives 4.22 g of Fe.
What is ferric oxide?
Ferric oxide is an ionic compound formed from iron and oxygen in which iron is in +3 oxidation state. It is also called iron oxide which decomposes to form molecular oxygen and iron.
The balanced equation giving Fe and oxygen from ferric oxide is written below:
[tex]\rm 2Fe_{2}O_{3} \rightarrow 4Fe + 3O_{2}[/tex].
The molar mass of ferric oxide is 159.7 g/mol. Thus two moles weighs 159.7 × 2 = 319.4 g. Atomic mass of Fe is 55.85 hence, 4 moles is 223.4 g.
As per the balanced reaction, 319.4 g of ferric oxide gives 223.4 g of iron. Thus mass of iron , Fe produced from 6.10 g of ferric oxide is calculated as follows:
mass of Fe = (223.4× 6.10 ) /319.4
= 4.226 g
Hence, 4.22 g of Fe will be produced from 6.10 g of Fe₂O₃.
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Convert 7,442 fluid Ounces (oz) to liters (L) rounding to 4 sig figs
Answer:
220.1 litres
Explanation:
7442 ounces to litres is 220.0892.
Rounding it to 4 significant figures will make it 220.1
the fact that matter is not created or destroyed in any chemical or physical change is called the
Answer:
Law of Conservation of Mass.
Is that Right?
How many moles of HCl will be produced when 34.56 g of AIC3 are reacted according to this chemical equation
Answer:The answer to your question is It will be formed 0.39 moles of H₂
Data
moles of H₂ = ?
moles of HCl = 0.78
moles of Zinc = excess
Balanced chemical reaction
2 HCl + Zn ⇒ 1 H₂ + ZnCl₂
Process
Explanation:
1.- Use proportions to solve this problem. Consider the coefficients of the balanced reaction.
2 moles of HCl ---------------------- 1 mol of H₂
0.78 moles of HCl ----------------- x
x = (0.78 x 1) / 2
- Simplification
x = 0.78 / 2
- Result
x = 0.39 moles of H₂
please answer this question correctly