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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Which property refers to how a mineral reflects light?
Luster is how the surface of a mineral reflects light. It is not the same thing as color, so it crucial to distinguish luster from color. For example, a mineral described as “shiny yellow” is being described in terms of luster (“shiny”) and color (“yellow”), which are two different physical properties.
Answer:
It is definitly Luster
Explanation:
How shiny something is or how its acts in the sun
help me slove this question
which places have more kinetic energy than potential energy
Answer:
usually at a higher place or height as in at the highest point on a roller coaster.
Explanation:
1. Identify the layer of Earth that is made primarily of silicon and oxygen.
Crust
Mantle
Core
Answer:The crust
Explanation:
What is the net charge of a nitrogen atom with 8 electrons
Answer:
– 1
Explanation:
From the question given above, we obtained the following:
Electron = 8
Net charge of nitrogen =.?
Nitrogen has atomic number of 7. This also means that nitrogen has 7 proton because atomic number of an element is the equal to number of protons in the atom of the element.
Thus, we can obtain the net charge of nitrogen with 8 electrons by calculating the difference between the protons and electrons of the nitrogen atom. This can be obtained as follow:
Proton = 7
Electron = 8
Net charge = Proton – Electron
Net charge = 7 – 8
Net charge = – 1
Therefore, the net charge of the nitrogen atom with 8 electrons is – 1
Why do atoms always contain the same number of electrons and protons?
Answer:
An electron is a negatively charged subatomic particle and a proton is a positively charged subatomic particle. Positive charge(s) attract negative charge(s) and vice versa. The proton and neutron stay together and attract one another to give the atom an overall charge of zero (neutral). Which is the charge of an atom. When there is an unequal number of protons and neutrons an ion is formed. If the number of protons are more than the electron, a positively charged ion called cation is formed. On the other hand, if the number of electrons are more than the protons a negatively charged ion called anion is formed.
Answer:
When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral. ... Chemically, we say that the atoms have formed bonds.
Explanation:
two samples of the same material are touching directly.
1.) Name the process is happening
2.) Describe in what direction the heat will flow and why
Answer:
1) The process that occurs were two items are in direct contact with each other is known as conduction. Conduction is the form of heat transfer that occurs or requires the direct contact of two bodies before it can take place
2) In heat transfer, heat would flow from the hotter sample sample through the process of conduction until thermal equilibrium is established
Explanation:
What happens to the price of the mineral that was extracted when mining companies are required to reclaim the land that they used for mining? Please help me.
Does it go down
Increase
No effect
Or stays the same
Answer:
innerdisactive react to be step counter function.
Explanation:
i feel
If a substance has a mass of 12.50 g and takes up 3.4 mL of space, what is the density?
Answer:
The answer is
3.68 g/mLExplanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} [/tex]From the question
mass of substance = 12.50 g
volume = 3.4 mL
The density of the substance is
[tex]density = \frac{12.50}{3.4} \\ = 3.676470588...[/tex]
We have the final answer as
3.68 g/mLHope this helps you
1.
What is the chemical symbol for silver?
Answer:
Explanation:
Ag
Why do some objects that collide have different effects from the equal force that occur due to the collision ?
Answer:
In a collision between two objects, both objects experience forces that are equal in magnitude and opposite in direction.
The MSDS for chloroform indicates that it is a clear liquid that has a pleasant smell and a substantial vapor pressure. Poeple should avoid inhailing its vapors, and it is sensitive to light .Malik needs 10 mls of chloroform for an expiriment.According to this information , how should hge safely pour the chloroform?
Answer:
C is the answer
Explanation:
Answer:
He should locate the chloroform stored in a dark container in chemical storage and should take it to the fume hood to pour.
Explanation:
What are the names of the products in the chemical equation shown below
Answer:
Yea I don't see any answers below but when you do I would love to help too!
Explanation:
describe the trend in viscosity of hydrocarbon fuels
Answer:
Hydrocarbons are the chemical compound that contain the elements carbon and hydrogen only.
They are compounds that are obtained from the fossil fuel crude oil by a process called fractional distillation.
What is the application of Complexometric titration?
Explanation:
Complexometric titration (sometimes chelatometry) is a form of volumetric analysis in which the formation of a colored complex is used to indicate the end point of a titration. Complexometric titrations are particularly useful for the determination of a mixture of different metal ions in solution.
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What is volume? O A. The measure of the amount of space a substance takes up B. The measure of the amount of space per unit of volume O C. The measure of the amount of matter per unit of volume O D. The measure of the amount of matter in a substance
Answer:
A. The measure of the amount of space a substance takes up
Explanation:
The 3 particles of the atom are:
Answer:
proton,neutron and electron
6. An alloy of iron contains 75.0% iron and 25.0% other elements. How many grams of iron are present in 150. g of the alloy?
Answer:
108.5
Explanation:
half of 150 is 75 and half of that is 32.5. Add that to 75 and you'll get your answer
112.5 g of iron is present in the alloy.
From the question given above, the following data were obtained:
Percentage of iron (Fe) = 75%
Percentage of other elements = 25%
Mass of the alloy = 150 g
Mass of iron (Fe) =?The mass of the iron present in the alloy can be obtained as follow:
[tex]Percentage = \frac{mass of element }{total mass }\\\\[/tex]
75% = [tex]\frac{mass of Fe}{150}[/tex]
[tex]0.75 = \frac{mass of Fe}{150}\\\\[/tex]
Cross multiply
Mass of Fe = 0.75 × 150
Mass of Fe = 112.5 gTherefore, 112.5 g of iron is present in the alloy.
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What is the number of protons plus the number of neutrons equal to?
A. atomic number
b. atomic charge
c. atomic isotope number
d.mass number
Answer:
atomic number
Explanation:
The mass number of the atom (M) is equal to the sum of the number of protons and neutrons
Question 8 Multiple Choice Worth 1 points)
(01 03 LC)
How is volume calculated given mass and density?
Sum of mass and density
O Mass divided by density
Mass multiplied by density
O Difference of mass and density
A what is the answer and
Which two statements describe what happens to energy during cellular
respiration?
A. Some chemical energy is transformed into thermal energy
B. Light energy is transferred to molecules of ATP and used to carry
out life processes
O C. Some thermal energy is transformed into chemical energy
D. Chemical energy is transferred to molecules of ATP and used to
carry out life processes.
Answer:
Chemical energy is transferred to molecules of ATP and used to carry out life processes
AND
Some chemical energy is transformed into thermal energy.
Explanation:
During Cellular respiration, Some chemical energy is transformed into thermal energy and rest Chemical energy is transferred to molecules of ATP and used to carry out life processes.Hence, Option (A) and (D) are correct
What is Cellular rerspiration ?Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into adenosine triphosphate, and then release waste products.
Therefore, During Cellular respiration, Some chemical energy is transformed into thermal energy and rest Chemical energy is transferred to molecules of ATP and used to carry out life processes. Hence, Option (A) and (D) are correct
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Before you start an investigation, you see the Hazard symbol for Electrical Hazard. What safety steps should you follow when conducting this investigation?
Explanation:
Safety hazards means they are are the unsafe working conditions which can cause the workmen injury, illness, or death. Safety hazards are some of the most common risks at the workplace.
Electrical hazards may be defined as a place or a condition which is dangerous and where a person working can come in contact with electrical contact with some energized equipment or any electrical conductor. There is always danger or a chance for the workmen to get injury or get a flash burn while working.
The safety steps are :
1. Follow the instruction properly
2. Take proper safety measures like wearing gloves, shoes, not touching any live wires, etc.
3. Follow the clean up procedure properly.
Answer:
The safety steps are :
1. Follow the instruction properly
2. Take proper safety measures like wearing gloves, shoes, not touching any live wires, etc.
3. Follow the clean up procedure properly.
Explanation:
which element has the lowest atomic mass?
Answer:
Hydrogen
Explanation:
Hydrogen has only 1 proton and has an atomic mass of 1. It does not have neutrons. Helium and above have higher mass than Hydrogen.
According to the electronic configuration, element with lowest atomic mass is hydrogen.
What is electronic configuration?Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
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Summarize the process a scientist goes through to come up with a
satisfactory solution.
Describe to me the difference on an
atomic/particle level between a Solid and a Gas.
How does peer review affect research?
Experimental results will be trusted by the scientific community only if they have been peer-reviewed. Thus, option A is correct.
What is research?Research is the creation of new knowledge and/or the use of existing knowledge in a new and creative way so as to generate new concepts and understandings.
“Peer-reviewed” means that the paper is analyzed by fellow scientists, who evaluate the logic or methodology that might shed doubt on the findings.
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Q1.What is the mass of 5 moles Of 1.Mg 2.CaCO3 Q2. Calculate the number of atoms in 10g of Na Q3.calculate the number of molecules in 10g of NaCl Q.4.What is Avogadro's number? How many number of atoms are present in 4g of Oxygen?
Answer:
Explanation:
Q1) as we know that moles=given mass/molar mass
mass of 5 moles of Mg is
mass =moles*molar mass
mass=5*24
mass=120 g
mass of 5 moles of CaCO3 is
mass= moles*molar mass
mass=5*100=500
Q2) number of atoms in 10 g Na
first we need number of moles of sodium
moles =mass/molar mass
moles=10/23=0.43
now we know that moles=number of atoms /avogadro number
for number of atom the formula become
number of atom=moles*avogadro number
number of atom=0.43*6.023*10^23=2.6*10^23
Q3)number of molecule in 10 g of NaCl
again we need number of moles of NaCl
moles=given mass/molar mass
moles=10/58.5=0.17
now number of molecules=moles*avogadro number
number of molecules=0.17*6.023*10^23=1.02*10^23
Q4) avogadro number is the number of particles(atoms,molecules,ions) present in one mole of a substance its value is 6.023*10^23
Q5)Number of atoms in 4g of oxygen
again we need number of moles of oxygen
moles=mass/molar mass
moles=4/16=0.25
now number of atoms=moles*avogadro number
number of atoms=0.25*6.023*10^23 =1.5*10^23
It is believed the major reason for the decline in amphibian species is _______.
a.
death through disease
b.
changing reproductive habits
c.
mutation
d.
climate change
Answer: It is believed the major reason for the decline in amphibian species is death through disease.
Explanation:
The major reason for the decline in amphibian species is climate change.
Amphibians are organisms that can live on land and in water. They are
usually found around moist areas because they need water bodies to cool
off in order for their survival.
Climate change is characterized by an increase in temperature which
doesn't favor them as they lose more water which thereby threatens survival
and leads to their decline in the ecosystem.
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4. Who discovered the proton?
Answer:
ernest rutherford
Explanation:
What most likely occurred during this demonstration?
In a science demonstration, a teacher mixed zinc (Zn)
with hydrogen chloride (HCI) in a flask and quickly
attached a balloon over the mouth of the flask Bubbles
formed in the solution and the balloon inflated,
O The Zn and HCl both retained their identity
Either Zn or HCI, but not both, retained its identity
O Evaporation of one of the substances occurred
One or more new substances formed
Answer:
Hydrogen gas and a salt formed at the end of the reaction.
Explanation:
Hydrogen Gas has formed which inflated the balloon
Usually, metals and acids react to form a salt and Hydrogen Gas.
Here's what happened:
Zn (s) + 2HCl (aq) → [tex]ZnCl_2[/tex](aq) +[tex]H_2[/tex](g)
Cheers :)
Answer:
One or more new substances formed.
Explanation:
This is an example of a chemical property because bubbles formed, and the mixture produced a gas which allowed the balloon to inflate. The production of bubbles is an indicator of a chemical change. When a chemical change occurs, one or more new substances form as a result.
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Something made of all one material
Answer:
element
Explanation:
an element is something made up of only one type of atom