Answer:
C) The boss wants to know who can take the late shift tonight, who can open tomorrow morning, and who can work on the holiday.
Explanation:
The sentence that has been in the parallel structure has been the boss wants to know who can take the late shift tonight, who can open tomorrow morning, and who can work on the holiday has been in parallel structure. Thus, option C is correct.
The parallel structure can be defined as the continuous repetition of the grammatical form in the sentence. The parallel structure has been able to provide equal importance to the tasks in the sentence.
In the given sentence, the varying task has been late shifts, open tomorrow, and work on holidays. The grammatical form of who can has been able to give equal importance to every task with the repetition.
Thus, boss wants to know who can take the late shift tonight, who can open tomorrow morning, and who can work on the holiday has been in parallel structure. Thus, option C is correct.
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29.4 mL of an CH3COOH solution were titrated with 18.5 mL of a 0.0175 m LiOH solution to reach the equivalence point. What is the molarity of the CH3COOH solution
Answer:
0.11 M
Explanation:
The computation of molarity of the CH3COOH solution is shown below:-
[tex]M_2 = \frac{M_1V_1}{V_2}[/tex]
Where,
[tex]M_1[/tex] = Molarity of LioH = 0.0175
[tex]V_1[/tex] = Volume of LioH = 18.5 ml
[tex]V_2[/tex] = Volume of CH3COOH = 29.4 ml
Now, we will put the values into the formula
[tex]= \frac{0.0175\times 18.5}{29.4}\\\\ = \frac{0.32375}{29.4}[/tex]
Which gives result
= 0.011 M
Therefore for computing the molarity of the CH3COOH solution we simply applied the above formula.
Answer: 0.11
Explanation:
• An element is shiny, brittle, and a poor conductor of electricity.
Which of the following is the best classification for the element?
What is the definition of potential energy in physics?
Answer:
To summarize, potential energy is the energy that is stored in an object due to its position relative to some zero position. An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height.
Explanation:
I hope this helped
An atom with 17 neutrons has a mass number of 33. What is this element?
curd and milk are what acid
Answer:
lactic acid
Explanation:
and this is broken down by the enzyme lactase
An unknown Element X is discovered. Element X is found to have varying numbers
of valence electrons and has a high melting point. Which group does Element X most
likely belong to?
Transition Metals
Halogens
Alkali Metals
Noble Gases
Please check my chem answers! Due in a few minutes!
Answer:
their correct
Explanation:
your answers are correct
Write in a scientific notation 234.5398
Answer:
the answer is 2.34 x 10^2
Noble gases share which characteristics? Check all that apply A.) they all have one free electron in their outer shell B.) they’re considered transition elements C.) they don’t react with other elements D.) they’re inert
Which rock is an example of a clastic sedimentary rock
Answer:
common sedimentary rocks include sandstone, limestone, and shale.
+
equations
2. Na,CO3(aq) + 2K(s) → K2CO3(aq) + 2Na(s)
Answer:
Explanation:
Na2CO3(ag) +2k(s) →K2CO3 (aq) + 2Na(s)
Why does the copper(I) ion Cu+ have 10 3d electrons?
The reaction between a strong acid and a weak base produces a salt, but water is not usually formed because:
the reaction is too hot and water evaporates
there is no hydrogen present to form water
the acid is not strong enough to form water
weak bases tend not to be hydroxides
Answer:
3
Explanation:
Calcium carbide ( CaC2) reacts with water to produce acetylene (C2H2) as shown in the unbalanced reaction below: CaC2(s)+H2O(g)->Ca(OH)2(s)+C2H2(g). How many grams of H2O are required to completely react with 82.4g of CaC2
The given reaction can be balanced as follows: CaC2 + 2H2O → Ca (OH)2 + C2H2. Grams of water required to completely react with 82.4 g of CaC2 is 46.28 g.
What is a balanced reaction?
In balanced reaction, the number of each and every element on both side is balanced. In the given reaction to balance the number of H and O, add 2 to H₂O so that, all the species will be equal in number on both side.
Now, as per the balanced reaction, 2 moles of water is required to reacts with 1 mole of CaC2.
Mass of one mole of water = 18 g/mol.
2 mole = 36 g
Mass of one mole of CaC2 = 64.09 g/mol
Thus 36 g of water is required to react with 64.09 grams of calcium carbide. Mass of water required to react with 82.4 g of calcium carbide is calculated as follows:
Mass of water = (36 g×82.4 g)/64.09 g = 46.28 g
Hence, 46.28 grams of water is required to completely react with 82.4 g of calcium carbide.
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what are the two main categories of matter
Answer:
pure substances and mixtures
Explanation:
Answer:
Matter can be broken down into two categories. pure substances and mixtures. i hope this helps.
Explanation:
7.00 x 10^2 divided by 2.00 x 10^4
Answer:
3500000
Explanation:
what is the CAS of hydrogen peroxide
carbon dioxide is a compound why
Answer: CO2 is a type of compound because it consists of multiple elements such as oxygen and carbon.
Answer:
Carbon dioxide is a compound because it contain more than one type of elements, carbon and oxygen, which are chemically bonded.
Which of the following is NOT true of a chemical change?
A. Chemical bonds are broken
B. The identity of a substance has
changed
C. The substance has only
changed form or appearance
D. It can be indicated by the
presence of bubbles or rust
What is Polymerase Chain Reaction?
Answer:
Polymerase Chain reaction is a method used by scientists to making A LOT (millions to billions) of copies of a DNA sample which then allows scientists to take a small of that DNA and increase the amount to a very large amount to study the DNA into further detail.
Polymerase Chain Reaction (PCR)
Polymerase chain reaction (PCR) is a technique for replicating or copying a specific portion of a DNA strand; leads to millions of copies of the DNA segment technique for replicating or copying a specific portion of a DNA strand; leads to millions of copies of the DNA segment.
describe the motion of objects that are viewed from your reference frame from both inside and while you travel inside a moving vehicle
Answer:
They don't move
Explanation:
it may look like they move but you are moving and you are passing the objects so they are not moving other wise things like some trains or animals they move with you. I hope this helps! :D
The motion of objects that are viewed from your reference frame from both inside and while you travel inside a moving vehicle are not moving. It seems that way because the car you are in is moving, but the surrounding things aren't moving unless they are people, animals, or other cars.
What is motion ?An object changing its position with regard to time is referred to as motion. In mathematics, displacement, distance, velocity, acceleration, and speed are used to explain motion.
Motion is the shift in an object's location with regard to time. Motion includes things like a book tumbling off a table, water running from the faucet, rattling windows, etc. Even the air we breathe has motion to it! The entire universe is in motion.
Because the two observers are using distinct frames of reference, the observations differ. Different frames of reference move in relation to one another. A frame of reference is a collection of coordinates that may be used to calculate the locations and velocities of objects within it.
Thus, The motion of objects that are viewed from your reference frame from both inside and while you travel inside a moving vehicle are not moving.
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ANSWER QUICKLY PLEASE!!!
Explain how electron microscopes work and why some scientists might prefer to use electron microscopes instead of light microscopes.
Answer:
Electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light. Electrons have much a shorter wavelength than visible light, and this allows electron microscopes to produce higher-resolution images than standard light microscopes.
Explanation:
Mutations are changes in the genes of living things. Mutations are common in all life forms and usually harmless. In fact, sometimes they help organisms survive. However, people often think that the word mutation means something dangerous. Which best describes the question "Why do most people think mutations are dangerous?" a scientific question, because it asks about mutations that happen in nature a scientific question, because it asks about most people instead of just a few not a scientific question, because it asks about what people think instead of how nature works not a scientific question, because it asks about how mutations can be helpful to life in nature (ANSWER IT FIRST AND GET BRAINLIST)
Answer: A
Explanation:
Answer:
C
Explanation:
Which of the samples pictured is most likely a nonmetal?
Answer:
its C
Explanation:
saftey goggles are worn in the lab-
Answer:
Yes
Explanation:
Is this a question or what?
Answer:
this is true and should always be true
Explanation:
if they are not on in the lab you or others may get injured
Look at the unbalanced reaction below for the combustion of hydrogen gas. What needs to be done to balance the reaction? _ H2 + _O2 LaTeX: \longrightarrow⟶ _H2O
Answer:
The given equation H2 + O2 => H2O is not balanced as the oxygen atom on the right side do not have the same number of atoms as of the left side.
In a balanced equation, the number of atoms on both sides are equal. So in this case, we are required to change the coefficient in front of H2O, in order to make oxygen atom balance, for that we need to change the coefficient of H2 as well.
It means to make the given equation balance we need to change the coefficient in front of H2 and H2O.
Balance equation: 2H2 + O2 => 2H2O
Approximately how tall is Baker Hill? Don't forget your unit
Answer:
About 51m Baker Hill by 4
23°C = ______ K
-250
296
123
23
Answer:
296
Explanation:
Tk = ºC + 273
Tk = 23 + 273
T = 296 K
2. Jessica did an investigation about the states of matter. As part of the
investigation, Jessica wanted to change a liquid into a solid. What must she do to
bring about this change in state?
Jessica had to freeze liquid into solid.
What is the matter?
The matter is anything that occupies space. There are three states of matter: Solid, liquid, and gas.
The process in which a solid turned into liquid is called melting. When the liquid turns into solid is called freezing. The temperature of freezing liquid remains constant. The factors which affect the freezing point of object:
If the intermolecular force of molecules are relatively strong, the freezing point of object will be relatively high.If the intermolecular force of molecules are relatively weak, the freezing point of object will be relatively low.When water turns into ice that process is called freezing. When water turns into water vapor is called boiling. When gas turns into a solid that process is called condensation.
Therefore, Jessica had to freeze liquid into solid.
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2. A block of wood has a mass of 360 grams and a density of 60 g/cm3. What is the volume
of the block of wood?
Answer:
6cm
Explanation:
The volume of the block of wood of 360 grams has been 60 ml or 60 [tex]\rm cm^3[/tex].
The density of an object can be defined as the mass of an object per unit volume. Density plays a pivotal role in the object sinks or floats into a liquid.
If the density of an object is lighter than the density of the liquid, the object will float onto the liquid. If the density of an object is more than the density of the liquid, the object will sink in the liquid.
Density can be given by:
Density = [tex]\rm \dfrac{mass}{volume}[/tex]
Mass of the object = 360 grams
Density = 60 g/[tex]\rm cm^3[/tex]
Volume = [tex]\rm \dfrac{mass}{density}[/tex]
Volume = [tex]\rm \dfrac{360}{60}[/tex]
Volume = 60 [tex]\rm cm^3[/tex] .
1 [tex]\rm cm^3[/tex] = 1 ml
Volume = 60 ml.
The volume of the block of wood of 360 grams has been 60 ml or 60 [tex]\rm cm^3[/tex].
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