Answer:
For 1hour whole milk feed = (60,000 /6 )Kg=10,000Kg
So that the flow rate of whole milk feed = 10,000 kg/hr
Mass of whole milk=10,000 kg
Mass of cream = x kg Mass of skim milk=(1-x) Mass balance equation is Whole milk= skim milk + cream 10,000kg=skim milk + x kg So, skim milk = (10,000-x) kg Material balance on fat is 10,000kg×0.04 = (10,000-x)×0.004 + x On solving the above equation we get the value of x So, x=361.44 kg So that the flow rate of cream = x= 361.44kg/hr and mass of skim milk= (10,000-x)=(10,000-361.44)kg = 9,638.56 kg So that the flow rate of skim milk = 9,638.56 kg/hr. for checking
(Whole milk) flow rate = (skim milk + cream) flow rate
10,000 kg/hr = (9,638.56 + 361.44) kg/hr 10,000 kg/hr = 10,000 kg/hr Hence it is proved.
What is the pH of a solution with (OH1-) = 1 x 10-4 M?
Answer: The concentration for pH is 4 but, for pOH it is 10.
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Ascorbic acid (vitamin c), along with many other reputed properties act as an antioxidant. The following equation illustrates antioxidant properties H2C6H606 C6H6O6 + H2 a. What is an antioxidant b. Assign oxidation numbers
Antioxidants are the substance that prevent oxidation process in a cell, oxidation produce free radical, and free radicals harm the cell. The oxidation number is the count of electrons present in an atom.
What is ascorbic acid?Ascorbic acid (vitamin C) is a water-soluble vitamin that is present in the citrus fruits and vegetables.
Ascorbic acid act as an antioxidant and prevent the production of free radicals in a cell.
Thus, Antioxidants are the substance that prevent oxidation process in a cell, oxidation produce free radical, and free radicals harm the cell. The oxidation number is the count of electrons present in an atom.
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Why transport number of a cation increases with temperature while an anion decreases with temperature
Answer:
0.5
Explanation: (3) Factors affecting transport number (i) Temperature: A rise in temperature tends to bring the transport number of cation and anion more closely to 0.5
in the
H2O is the Lewis
following reaction.
SO3(aq) + 2H2O(1)
H2SO3(aq) + 2OH-(aq)
A
B
acid
Answer: An acid-base reaction is the transfer of a proton from a proton donor ... The reaction between a Brønsted-Lowry acid and water is called acid ionization.
Explanation:
Water is the universal solvent and we have seen how salts, like NaCl, dissolve in water. Many other molecules dissolve in water as well: sugar is a good example. A salt solution will conduct electricity but a sugar solution will not. Let's use the sugar, sucrose, as an example that readily dissolves in water, but the solution does not conduct electricity. Compare this dissolving process of sucrose with that of NaCl to explain why one is an electrolyte and the other is not. Choose ALL that apply.
Answer:
Explanation:
Salt (sodium chloride) is made from positive sodium ions bonded to negative chloride ions. Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions.
A radioactive isotope has a half-life of 3.0 hours. If a scientist has 30 grams of the isotope, how much is left after 15 hours?
Answer:
0.9375
Explanation:
3.0x30x15 = 17 496 000 kg [tex]sx^{2}[/tex]
subtract or divde
then you take the 9 and 375 add 0.9000 and combine them and there you go.
[tex]+\frac{0.9000}{375} =0.9375[/tex]
Points + brainalist
Answer:
the total mass of product is equal to total mass of the reactance
Which of an Adams electrons are involved in chemical reactions
Answer:
The electrons farthest from the nucleus of the atom.
hope this helps!
what is civilization helpppp
Answer: Civilization is the stage of human social and cultural development and organization that is considered most advanced.
Explanation:
BEST ANSWER :
a civilisation is a complex human society, usually made up of different cities, with certain characteristics of culture and technological development
ANSWER THIS CORRECTLY FOR BRAINLIEST!!!
short fur
Explanation:
According to Mendel's Law of Dominance, if short fur is the dominant trait, and long fur is recessive; a heterozygous genotype will definitely be phenotypically short fur.
[tex]\huge\mathfrak\colorbox{white}{}[/tex]
MarkThe BrainliestBecause you'll definitely get it right.
I really need help with this. Be serious. If you answer something random just for the points I will report you to brainly.
Answer:
It get thicker beacause the mid ocean
Explanation:
Because when it gets moved back the heat rises and it builds up to be thicker.
if 20.1 g of KBr (MM=119.00 g/mol) are added to a 500.0 mL volumetric flask and water is added to fill the flask what is the concentration of KBr in the resulting solution
The concentration of KBr in the resultion solution is 0.34 M
StoichiometryFrom the question, we are to determine the concentration of KBr in the resulting solution
First, we will determine the number of mole of KBr present
Using the formula,
[tex]Number\ of\ moles = \frac{Mass}{molar\ mass}[/tex]
Mass of KBr = 20.1 g
Molar mass of KBr = 119.00 g/mol
∴ Number of moles of KBr present = [tex]\frac{20.1}{119.00}[/tex]
Number of moles of KBr present = 0.1689 mole
Now, for the concentration of the KBr
Using the formula,
[tex]Concentration = \frac{Number\ of\ moles}{Volume}[/tex]
Volume of solution = 500.0 mL = 0.50 L
∴ Concentration of KBr = [tex]\frac{0.1689}{0.50}[/tex]
Concentration of KBr = 0.3378 M
Concentration of KBr ≅ 0.34 M
Hence, the concentration of KBr in the resultion solution is 0.34 M
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Carlos is making phosphorus trichloride using the equation below.
2P +3Cl2 → _PC13
What coefficient of PClz would show that the law of the conservation of mass is represented in the chemical
equation?
4
3
2
Answer:
C.) 2
Explanation:
Chemical equations, in a way, can be seen as algebraic equations. Cl2 is a molecular structure, so, there are two Cl atoms. 3Cl2 means 3, Cl2 molecules. So, if we think of it as adding up all the atoms, we will get, 2 P atoms and 6 Cl atoms. Now to convert. The Law of the Conservation of Mass basically says you can't add or subtract atoms out of nowhere, so the number of atoms has to stay the same when it's being converted. We need to place a coefficient with PCl3. If we look at PCl3, it shows us that there are three Cl atoms and one P atom. And looking back at how many atoms there were on the left side of the equation, we just need to double the atoms of atoms so it will be equal. So, the answer is C.) 2
BRAINLIEST PLEASE!!
Answer:
the answer is C
Explanation:
Convert 19 kcal into joules
[tex]19~ \text{kcal} = 19 \times 1000 ~\text{cal } = 19000~ \text{cal} = 19000 \times 4.184~ \text{J} = 79496~ \text{J}[/tex]
CHEMISTRY HELP!! PLS DON'T ANSWER IF YOU DON'T KNOW THE ANSWER. I WILL MARK BRAINLIEST IF YOU DO KNOW!! :D
1. How many molecules of manganese are there in 1.75 moles? There are 6.02 x10^23 molecules/mol
A. 59.94 molecules
B. 1.75 x10^23 molecules
C. 10.5 x10^23 molecules
D. 6.03 x 10^23 molecules
2. The molar mass of AlCl3 is 133.34 g/mol. How many molecules of AlCl3 are there in 2 g?
A. 2.05 x 10^21 molecules
B. 4.01 x 10^25 molecules
C. 9.04 x 10^21 molecules
D. 11.1 x 10^25 molecules
3. What is the mass of hydrogen atoms that is measured at 54 u? The relationship between atomic mass units (u) and grams (g) is 1 u = 1.66 x 10^-24 g.
A. 54 x 10^-24 g
B. 62.25 x10^-24 g
C. 74.64 x10^-23 g
D. 89.64 x10^-24 g
Answer:
1. C. [tex]10.5 *10^{23[/tex] molecules
2. C. [tex]9.04*10^{21}[/tex] molecules
3. D. [tex]89.64*10^{-24[/tex] g
Explanation:
1. To find the molecules of manganese from moles use this equation:
[tex]moles (x)*\frac{6.022 *10^{23} molecules }{1 mole}[/tex]
Insert the amount of moles given (1.75) into the equation and solve:
[tex]1.75moles*\frac{6.022 *10^{23} molecules }{1 mole}[/tex] = [tex]1.05 *10^{24[/tex] molecules.
In the question they have the answer as [tex]10.5 *10^{23[/tex] which is the same as [tex]1.05 *10^{24[/tex]. So, [tex]10.5 *10^{23[/tex] is the answer.
2. To find molecules from grams per mole, use this equation:
[tex]x grams *\frac{1 mol}{mass(g)} *\frac{6.022*10^{23} molecules}{1 mol}[/tex]
The molar mass of AlCl3 is 133.34 g/mol, and we want to know how many molecules in 2 grams. Plug these into the equation.
[tex]2 g *\frac{1 mol}{133.34g} *\frac{6.022*10^{23} molecules}{1 mol}[/tex] = [tex]9.04*10^{21}[/tex] molecules
The answer will be C. [tex]9.04*10^{21}[/tex] molecules.
3. To find the mass of the hydrogen atoms, use this equation:
[tex]x u*\frac{1.66*10^{-24}g}{1u}[/tex]
We are given 54 u. Plug this into the equation and solve:
[tex]54 u*\frac{1.66*10^{-24}g}{1u} = 8.964*10^{-23[/tex] grams
Once again, the question gives us this answer in a different form of [tex]89.64*10^{-24[/tex] g, but they are the same. So, the final answer is D. [tex]89.64*10^{-24[/tex] g.
I hope this helps! If you have any questions about my work feel free to leave them in the comments!
A man takes 600 mg ibuprofee tables for pain and swelling related to an anide spazin The mediamber of tablets he can
take in a 24 h period to reach the maxime daily dose is 4 tablets. What is the maximum daily dose is ligams?
mati daily doses
Answer:
what is your questions I didn't understand
Help me please i dont understand
1.6 x 10⁸ : 8 x 10¹¹
1.6 : 8 = 0.2
10⁸ : 10¹¹ = 10⁻³
= 0.2 x 10⁻³ = 2 x 10⁻⁴
A lab technician added 2.5 L of water to 0.5 L of
8.50 M solution. What is the new molar
concentration (M) of the diluted solution?
The new molar concentration (M) of the diluted solution when added 2.5L of water to 0.5 L of 8.50 M solution is 1.42M.
How do we calculate the molar concentration of solution?Molar concentration of the solution will be calculated by using the below equation:
M₁V₁ = M₂V₂, where
M₁ = initial concentration of solution = 8.50 M
V₁ = initial volume = 0.5 L
M₂ = final concentration of diluted solution = ?
V₂ = final volume of diluted solution = 0.5 + 2.5 = 3 L
On putting values, we get
M₂ = (8.50)(0.5) / (3) = 1.416 = 1.42 M
Hence required molar concentration of dilute solution is 1.42M.
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Specific Heat Practice
1. How much heat energy is needed to raise the temperature of 540 g of water from 32.00C
to 95.00C? (C=4.186 J/gºC)
Answer:
See below
Explanation:
Specific Heat of water = 4.186 J/(g-C)
J/(g-C) multiplied by g and C results in J
4.186 * 540 * (95-32) = 142 407 .72 J
1. What is the total mass if you add 6.00g + 30.0mg + 0.50kg.
Answer:
0.50603kg when you add given masses
If 0.5 L of a gas is cooled from 22°C to 4°C, what is the new volume of the gas?
ОА
0.02 L
B
0.47 L
С
0.60 L
D
2.75 L
Answer:
B
Explanation:
From charles' law,
[tex]v \alpha t[/tex]
where v is volume and t is absolute temperature
[tex] \frac{v1}{t1} = \frac{v2}{t2} [/tex][tex]v1 = 0.5l \\ t1 = (22 + 273 )k\\ t2 = (4 + 273)k \\ t1 = 295k \\ t2 = 277k \\ \frac{0.5}{295} = \frac{v2}{277} \\ v2 = 277 \times \frac{0.5}{295} = 0.47l[/tex]Hence that's itIf the balanced chemical reaction for the formation of Li2O is 4 Li(s) + O2(g) → 2 Li2O(s), how many molecules of Li2O(s) would you produce if you used up 6 atoms of Li(s)?
The molecules of Li₂O that would produce if you used up 6 atoms of Li(s) is 3.
What is Lithiumdioxide?It is an unstable inorganic and radical compound, used in the manufacture of glass and ceramic.
The balanced equation
[tex]\rm 6 Li(s) + O_2(g) \rightarrow 3 Li_2O(s)[/tex]
If the atoms of lithium moves up to 6 the lithium oxide molecules will be 3, as you can see in the equation.
Thus, the molecules of Li will be 3.
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hello! could anyone help me? i don't really understand. Thank you!!
I'm curious on what it is but I wish I could help
For a plane to make a turn , a .......is required to change the motion in direction of that turn.
Answer: The answer is force.
Explanation:
Newtons 3rd law is from an action, there should be a reaction. so the planes moving it turns with force. ( this ould get a Brainliest answer)
6. Which describes particles or electromagnetic radiation emitted from the nucleus during
radioactive decay ?
a) harmless nuclear fallout
b) nuclear radiation
c) transmutation
d) daughter nuclides
Answer:
A harmless nuclear fallout
Explanation:
just did this
A volume of saline solution had a mass of 61.4 g at 4°C. An equal volume of water at the same
temperature had a mass of 59.0 g. What is the density of the saline solution? (Density of water at 4°C
is 1.00 g/cc.)
____ g/cc
Points + Brainalist
Answer:
I think A it looks to be the answer
Explanation:
sorry if wrong
Select the structure that corresponds
to the following name:
2,2-dimethylpropanal
A.
B.
CHO
CH3
CH3CCHO
CH
C. both
CHO - propanal = aldehyde
A. Skeleton Structure
B. Molecular structure
The second structure corresponds to the 2,2-dimethylpropanal molecule as it is C₅H₁₀O. Thus, option B is correct.
What is molecular structure?A molecular structure is a representation of the atoms and the molecules of the compound along with their numbers. It is different from the skeletal structure as it does not shows an overview of the chains and branches.
2,2-dimethylpropanal is an aldehyde-containing molecule that contains 5 carbon, 10 hydrogens, and one oxygen atom in its formula and is best represented in figure B.
Therefore, figure B shows 2,2-dimethylpropanal.
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An arrangement of electrons that tells us how many total electrons are in an atom or ion as well as the outermost
electrons is called:
Electron configuration
Periodic table
Isotope configuration
Valance electrons
An arrangement of electrons that tells us how many total electrons are in an atom or ion as well as the outermost is called Electronic configuration.
What is electronic configuration?Electronic configuration is the arrangements of electrons in the orbitals of an atoms and this shows the total number of atoms present in the atoms orbits and it shows the different energy levels around an atomic nucleus.
Therefore, An arrangement of electrons that tells us how many total electrons are in an atom or ion as well as the outermost is called Electronic configuration.
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If you were to track a group of stars over a period of two weeks, what inferences could you make? (2 points)
Group of answer choices
Stars change color
Stars create a pattern
Stars disappear
Stars move fast
The inferences which we made about stars after two week are stars disappear and star move fast.
What are stars?A star is a heavenly body made up of a brilliant spheroid of plasma held together by gravity.
Many more stars can be seen with the simple eye at night, but their enormous distances from Earth cause them to appear as fixed points of light.The stars revolve around the north and south celestial poles, therefore they are always moving in relation to the earth's surface.Position or pattern of the star changes within a month as a result of the interaction between the earth's rotation around its axis and its orbit around the sun.Stars move fast in the influence of gravity.Hence, the inferences which we made is stars disappear and star move fast.
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