PLEASE ANSWER AS QUICKLY AS POSSIBLE THANK YOU SO MUCHEli uses this thermometer to measure the temperature of a liquid. He reports his
results as 36 degrees. Is this a good description?

A. This is a perfect description because it gives both a number and a unit

B. This description is clear and can be understood by other measures

C. This description needs a unit describing the system of measurement.

D. This description needs a decimal point to be a good description

Answers

Answer 1

Answer:

Answer:

This description needs a unit describing the system of measurement.

Related Questions

In terms of atomic structure what is an Atoms atomic number
Salinity refers to what?A. density B. pressure C. temperature D. dissolved salt
What can be concluded if an ion of an element is smaller than an atom of the same element?(1) The ion is negatively charged because it has fewer electrons than the atom.(2) The ion is negatively charged because it has more electrons than the atom.(3) The ion is positively charged because it has fewer electrons than the atom.(4) The ion is positively charged because it has more electrons than the atom.
2. If an eagle is flying at a constant speed, it is accelerating. True orFalse
A student tested a sample of carbon (C) by combining it with water. There was no reaction between the carbon and water. The student concluded that carbon must be a group 18 element, since it was unreactive. State whether you agree with the student's reasoning, and explain why or why not?

In the redox reaction below, which is the reducing agent? MnO2 (s) + 4H+(aq) + 2Clmc007-1.jpg (aq) mc007-2.jpg Mn2+(aq) + 2H2O(l) + Cl2(g)

Answers

Answer is:
Redox reaction: MnO₂ + 4H⁺ + 2Cl⁻ → Mn²⁺ + 2H₂O + Cl₂.
Cl⁻ lost one electron (two Cl⁻ lost two electrons) and change oxidation number to zero, so Cl⁻ is reducing reagent.
Mn change oxidation number from + 4 to +2, Mn is oxidizing reagent.
Hydrogen don't change oxidation number.

The answer is Cl- or A. Hope it helps

Starch and cellulose are both produced by plants, yet one is easily digested by animals and the other is not. Discuss the differences in the structures of these two molecules and how this may impact whether they can be digested.

Answers

Starch andcellulose have the same substance but different structures. They are bothpolysaccharides. The basic unit of a polysaccharide is the glucose. Glucose,which contains carbon, hydrogen, and oxygen, have two forms. The alpha-glucosewith an alcohol group attached to carbon 1 is down and the beta-glucose withthe alcohol group attached to carbon 1 is up. Starch is the alpha-glucose whilecellulose is the beta-glucose. Starches are linked into a straight chain whereasthe cellulose are connected like a pile of stack paper. When the human bodyeats starch, it can digest the starch but not the cellulose because it has noenzyme that can break it down.

Final answer:

Starch is easily digested by humans due to the presence of enzymes breaking its α-glucose bonds, while humans lack the enzymes to break the β-glucose bonds in cellulose, rendering it indigestible but essential as dietary fiber.

Explanation:

Starch and cellulose are both polysaccharides produced by plants. Their structural differences, however, determine how they can be digested by animals. Starch is made up of α-glucose molecules, which are joined together by 1-4 and 1-6 glycosidic bonds, forming a helical structure. The human digestive system has enzymes like amylase that can break these bonds, enabling the digestion of starch.

Learn more about Digestion of Starch and Cellulose here:

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Is Squeezing oranges to make orange juice a chemical or physical change?

Answers

This would be a physical change because despite the fact the juice has been squeezed out of it, the orange is still an orange. A physical change is when something changes matter, like a solid to a liquid or a liquid to a gas. Since it's been changed from a solid orange to liquid juice, it's a physical change.

Hope I helped! :)

squeezing just the juices out of the orange, like with your hand or whatever you use, is a physical change. yes :)

An atom of argon rarely bonds to an atom of another element because an argon atom has(1) 8 valence electrons
(2) 2 electrons in the first shell
(3) 3 electron shells
(4) 22 neutrons

Answers

The answer is (1) 8 valence electrons. Argon, being a noble gas, already possesses a full octet of valence electrons and is, therefore, very, very stable. It has an almost indomitable tendency to retain that octet. That is why it so rarely participates in any sort of bonding.

The electron affinity of an atom typically depends on theA. mass of the atom's nucleus.
B. number of electrons already present in the atom.
C. number of neutrons in the nucleus of the atom.
D. availability of an unfilled orbital in the atom.

Answers

Option D: availability of an unfilled orbital in the atom.

This is true because the atoms will try to complete the octete (8 electrons in the last p level)

What is the net ionic equation for the reaction of solid iron with aqueous copper sulfate? (Hint: First use the activity series to write the formula unit equation!)

Answers

For the answer to the question above,
The reaction of solid iron with aqueous copper sulfate is an example of a single displacement type of reaction which exchanges only the cations of the element and the compound. In this case, the equation is

Fe (s) + CuSO4 (aq) = FeSO4 + Cu (s)

Answer:

The net ionic equation for the reaction of solid iron with aqueous copper sulfate:

$Fe(s)+Cu^(2+)(aq)\rightarrow Fe^(2+)+(aq)+Cu(s)$

Explanation:

Solid iron = Fe

Copper sulfate = $CuSO_4$

$Fe(s)+CuSO_4(aq)\rightarrow FeSO_4(aq)+Cu(s)$

In an aqueous solution of copper sulfate we have copper (II) ions and sulfate ions.

$CuSO_4(aq)\rightarrow Cu^(2+)(aq)+SO_4^(2-)(aq)$

In an aqueous solution of ferrous sulfate we have ion (II) ions and sulfate ions.

$FeSO_4(aq)\rightarrow Fe^(2+)+(aq)+SO_4^(2-)(aq)$

$Fe(s)+Cu^(2+)(aq)+SO_4^(2-)(aq)\rightarrow Fe^(2+)+(aq)+SO_4^(2-)(aq)+Fe^(2+)+(aq)$

Cancelling out the common ions from both sides, we get the net ionic equation:

$Fe(s)+Cu^(2+)(aq)\rightarrow Fe^(2+)+(aq)+Cu(s)$

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The process of seeking facts that will lead to the truth is called _____.a. studyb. researchc. intuition

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Becky is a flower gardener. Her plants need a rich soil, full of nutrients, to grow. Propose a detailed plan of how Becky can determine if her soils are fit for growing flowers