Answers
Answer:
check below
Explanation:
c) Concentrated sulphuric acid is used a drying agent.
d) (use any one of them) Concentrated phosphoric acid, hot aluminium oxide, calcium chloride , anhydrous calcium sulphate
Answer:
12c) it is used as a drying agent
d) anhydrous calcium chloride
calcium oxide can also be used as a drying agent
Related Questions
Zinc metal reacts with aqueous copper(II) chloride, as shown in this equation. If 3.03 x 1021 atoms of zinc react, how many grams of Cu will form? Show the sequence of conversions necessary, then calculate the numerical answer. Zn (s) + CuCl2 (aq) ---> ZnCl2 (aq) + Cu (s)
Answers
Answer:
0.320 g Cu.
Explanation:
Hello there!
In this case, case, according to the presented chemical reaction, it is possible to determine that the mole ratio of zinc to copper is 1:1 and therefore, we will have the same amount of atoms for the both of them. Moreover, since one mole of copper contains 6.022x10²³ atoms of this element, with a mass of 63.546 g (molar mass); it is possible for us to write up the following mathematical setup in order to calculate the produced grams of copper:
[tex]3.03x10^{21}atoms Zn*\frac{1atom Cu}{1atom Zn}*\frac{1molCu}{6.022x10^{23}atoms Cu}*\frac{63.546gCu}{1molCu} \\[/tex]
Thus, the numerical result turns out to be:
0.320 g Cu
Best regards!
how many daughter cells would be produced if 32 cells undergo meiosis
Answers
Answer:
The meiosis process can for up to 4 daughter cells
All of the following contribute to the evolution of a species EXCEPT -
O Respiration
O Adaptations
O Mutations
ONatural selection
Answers
Answer:
Respiration
Explanation:
Respiration is the system of how an animal breathes
How many kilojoules are needed to convert 77.5 grams of ice at -8.00°C to water at 95.0°C?
Ahh, Thank you!!! ( ;-;)
Answers
m= 0.0775 kg
c= 4184 J·kg−1·K−1.
θ= T(final) - T(initial), 95-(-8)
Q=33398.78 J so kJ divide 1000
= 33.39878 kJ
Convert 9.213 moles of fe to grams
Answers
Answer:
514.4999849999999
Explanation:
what is a fossil? and what can a fossil tell us about an organism
Answers
if the pressure of a container is enlarged three times what will the pressure be?
Answers
Answer:
i guess you mean its volume, so the answer is "shrunken" 3 times
Explanation:
from the equation pV=nRT, whatever happens to its pressure, the opposite happens to its volume.
1. The pH of a solution made by combining 150.0 mL of 0.10 M KOH with 50.0 mL of 0.20 M HBr is closest to which of the following?
Answers
Answer:
12
Explanation:
The pH of the solution prepared has been 1.25.
The pH of the solution resulting from the mixing of the two solutions can be given by:
Hydrogen ion concentration = [tex]\rm \dfrac{M_1V_1\;-\;M_2V_2}{V_1\;+\;V_2}[/tex]
Where, M1 and M2 have been the molarity of the solution and V1 and V2 have been the volume of the solutions.
For the given resulted solution:
Hydrogen ion concentration = [tex]\rm \dfrac{0.1\;\times\;0.15L\;-\;0.2\;\times\;0.05L}{0.15\;+\;0.05\;L}[/tex]
Hydrogen ion concentration = 0.055 M
pH can be defined as the negative logarithm of hydrogen ion concentration.
pH = - log (Hydrogen ion concentration)
pH = -log (0.055)
pH = 1.25
The pH of the solution prepared has been 1.25.
For more information about the pH of the solution, refer to the link:
https://brainly.com/question/4975103
if an EXOTHERMIC reaction takes place in a container, the container will feel
a. hotter
b.colder
c. neither hotter nor colder
Answers
Select all that apply. Which of the following are made of atoms?
Answers
Answer:
Your next meal, you, and your computer.
Answer:
your next meal, you and your computer.
Nuclear power:
accounts for half of the energy used in the U.S.
creates less energy than fossil fuels
is a nonrenewable resource
is a renewable resource
Answers
Answer:
Is a nonrenewable resource
Explanation:
"The fuel for fusion reactors can be drawn from sea water in an almost unlimited supply. The fuel for fission, on the other hand, comes from a limited supply of uranium. Once it is depleted, it cannot be easily replenished. For this reason, nuclear power is considered a nonrenewable resource."
I got this source from ODY
Hope I could help! :)
Have a nice day
Answer:
is a nonrenewable resource
Explanation:
please help me :)
( check the photo! )
Answers
Answer:
plastic rays i think the matetial that can widely recycle
how do you rewrite 4 5/7 as an improper fraction. in steps
please don't use files they don't work
Answers
Answer:
33/7
Multiply the denominator of the fraction by the whole number.
Add this result to the numerator of the fraction
answer becomes the numerator of the improper fraction.
Explanation:
Answer:
33/7
Explanation:
1. take the fraction and multiply the denominator by 4 to get 28
2. add the numerator to that... 28+5=32
This worm infects humans by getting into the blood stream. It gets a
warm, safe home in the blood stream. Humans are harmed because they
may go blind or have other complications due to the parasite.
A. Mutualism
B. Commensalism
C. Parasitism
Answers
Which element is a halogen?
A. chlorine (Cl)
B. oxygen (O)
C. carbon (C)
D. radon (Rn)
Answers
Answer:
Chlorine (Cl)
So, the answer would be A.
Why is Chemistry so hard? And why is it required when most of us aren't going to use it after high school?
Answers
Please help me out
IF YOU POST AN INNCORRECT AWNSER OR A LINK OR RANDOME THINGS I WILL REPORT U OR BAN U .
Answers
Answer:
sorry I had never done this before
How many feet are in 6.75 miles?
(6.75x1) divided by 5280 =
Answers
Answer:
0.00127840909
Explanation:
yehehdhdalakdjhd
Lithium arsenate (Li3AsO4) and iron nitrate (Fe(NO3)3) are dissolved in water. What precipitate would you expect to form? what is the name and formula?
Answers
Answer:
CO₃²⁻ + H₂O <----------------> HCO₃⁻ + OH⁻The chemical formula of the precipitate is Fe(OH)₃Explanation:
Fe(NO₃)₃ and K₂CO₃ are strong electrolytes and completely dissociate in water. Carbonate ions is a weak base and combine with water to form hydroxide ions (OH⁻), CO₃²⁻ + H₂O <----------------> HCO₃⁻ + OH⁻ Ferric, Fe (III), combines with these hydroxide ions to form insoluble precipitates. Fe(OH)₃ is only partially soluble i.e., it does not completely dissociate in water. When the solutions of Fe(NO₃)₃ and K₂CO₃ are mixed, Fe(OH)₃ precipitates out due to the strong electrostatic attraction between Fe (III) and hydroxide ions.1.
What is Mendeleev is known for?
A. creating today's atomic model
B. discovering protons
C. publishing the first periodic table
D. discovering Mendelevium
Answers
Answer Choice: C
Explanation: Mendeleev is best known for publishing the first periodic table of elements in 1869, revolutionizing the world's understanding of physics and chemistry; and, really almost every aspect of science.
Two reactant particles collide with proper orientation. The collision will be effective if the particles have
(A) sufficient potential energy
(B) high activation energy
(C) high ionization energy
(D) sufficient kinetic energy
And explain why, and answer in brainly
Answers
The collision will be effective if the particles have sufficient kinetic energy (Option D).
Kinetic energy is motion energy, conversely to potential energy.Kinetic energy is required to produce the collision between particles.The more kinetic energy the particles have, then the more collision will occur, thereby it increases the rate of a chemical reaction.In conclusion, the collision will be effective if the particles have sufficient kinetic energy (Option D).
Learn more in:
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How do plants and animals rely on each other?
Answers
Answer:
b
Explanation:
Which of the below elements will most likely form an Covalent Bond?
Answers
Answer:
You didnt put a link to the picture...
Explanation:
PLZ HELP!
Where have you seen or known of examples of waves in YOUR LIFE? Based on science terms of a wave.
Answers
Answer:
QUESTION:
Where have you seen or known of examples of waves in YOUR LIFE? Based on science terms of a wave.
ANSWER:
I've seen the following in my life:
~ Lightwaves
~ Heatwaves
~ Electromagnetic waves
~ X-rays
~ Tsunami Waves
Explanation:
Hope that this helps you out! :)
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Have a great rest of your day/night!
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What is the density of krypton gas (MM = 83.8 g/mol) at 3.00
atm and 100. °C?
g/L
Answers
Answer:
8.21
Explanation:
Is there massless ness in space?Why?
Answers
A swimmer pushes against a wall with his feet, as shown below.
The wall pushes back against the swimmer's feet with the same force. Which of Newton's laws does this best demonstrate?
A.
Newton's law of universal gravitation
B.
Newton's second law of motion
C.
Newton's third law of motion
D.
Newton's first law of motion
Answers
Answer:
C. newton's third law of motion
Explanation:
as newton's third law of motion states that every action has a reaction that is equal in size, opposite in direction, and acts simultaneously.
how does salt alter the boiling point and freezing point of water
Answers
Answer:
adding salt is like adding an impurity therefore the boiling point might increase from 100°c to maybe 102°c
HELPPP!!!
Using the following data, which is the correct rate law of the sample reaction?
A5B + 6C 3D + 3E
Experiment (A) (M) [B] (M) [C](M) Initial Rate (M/s)
1
0.35 0.35 0,35 8.0 x 104
2
0.70
0.35
0.35
3.2 x 10-
3
0.70
0.70
0.35
6,4 x 10-8
4
0.70
0.35
0.70
3.2 x 10-3
A.) K[A]^2 [B]^1 [C]^1
B.) K[A]4 [B]^2 [C]^1
C.) K(A)^2 [B]^1 [C]^O
D.) k[A]^1 (B)^2 [C]^O
Answers
i think its C not so sure rho
good ,uck!!!!
Based on the data given, the correct rate law of the sample reaction is: C. [tex]R = K[A]^2[B]^1[C]^0[/tex]
What is the rate law?Rate law can be defined as a chemical equation that is typically used to relate the initial (forward) chemical reaction rate with respect to the concentrations or pressures of the chemical reactants and constant parameters.
Mathematically, the rate law is given by this formula:
[tex]R = K[A]^x[B]^y[C]^z[/tex]
Where:
k is the rate constant.A is the concentration of reactant A.B is the concentration of reactant B.C is the concentration of reactant C.x, y, and z are the order of the reaction.Based on the data given, the correct rate law of the sample reaction is as follows:
[tex]R = K[A]^2[B]^1[C]^0[/tex]
Read more on rate constant here: brainly.com/question/24749252
Please answer this two questions as fast as you can
Answers
Explanation:
new Mexico and Louisiana
Answer: two two
Explanation: