4. This metal (X) displaces copper from copper sulphate solution but does not
displace zinc from zinc sulphate. From this we can tell that the order of reactivity
(most reactive first) is
a. zinc; copper; X
b. zinc; X ; copper
c. copper ; X ; zinc
d. X; zinc; copper;

Answer:

Bonds can be placed on a scale that ranges from 100% ionic to 100% covalent.

CO2: CO2 is a covalent compound, with each carbon atom sharing electrons with two oxygen atoms. Therefore, it can be placed closer to the 100% covalent end of the scale.

N2: N2 is a covalent compound, with each nitrogen atom sharing electrons with another nitrogen atom. Therefore, it can be placed closer to the 100% covalent end of the scale.

NaF: NaF is an ionic compound, consisting of a sodium cation (Na+) and a fluoride anion (F-). Therefore, it can be placed closer to the 100% ionic end of the scale.

H2O: H2O is a polar covalent compound, with the hydrogen atoms sharing electrons with the oxygen atom, but the electrons are not shared equally, therefore the oxygen atom has a partial negative charge and hydrogen atoms have a partial positive charge. Therefore, it can be placed closer to the middle of the scale, between ionic and covalent.

Overall, the scale can be represented as follows:

100% Ionic <-------> NaF <-------> H2O <-------> CO2 <-------> N2 <-------> 100% Covalent

Answer:

A:Surface material breaks down into smaller pieces.

Explanation:

hope this helps.

Answer: b. Very dense particles settle faster than low-density particles.

Explanation:

Answer:

They attract or repel other charged objects without touching them.

Explanation:

My chemistry teacher always says like repels like opposite attracts.

Answer:

C. They attract or repel other charged objects without touching them.

Explanation:

2020 edge

Answer:

Its actually correct if your teacher says its wrong just explain to her how u did it.

Answer:

the lion and the tarantula are both carnivores

the lion and the tarantula both live in hot dry places

Explanation:

Answer:

Explanation:

The fossil record is considered to be incomplete because fossilization is a very rare phenomenon. Most organisms decompose quickly after their death, and their remains dispersed. In order for fossilization to occur, the remains have to be covered by sediments and stay undisturbed for thousands of years.

Answer:

The fossil record is considered to be incomplete because fossilization is a very rare phenomenon. Most organisms decompose quickly after their death, and their remains are dispersed. In order for fossilization to occur, the remains have to be covered by sediments and stay undisturbed for thousands of years.

Answer: Hello: ) ✨ It depends on the concentration of all solutes in the solution (ie, its osmolarity). A solution with low osmolarity is hypotonic and vice versa. Solutions having the same osmolarity are isotonic. Water in pools and rivers is hypotonic compared with sea water, but water from the Dead Sea is hypertonic.We do not swell and pop when we go swimming in a hypotonic swimming pool because our skin protects us from the external environment and does not let water cross into or out of our body surfaces. ... hope this helps have a great dayAssuming the water is warm enough that you don’t simply die of hypothermia, the next problem would be your skin. For reasons that still aren’t well understood, human skin starts to break down after continuous immersion in water of a few days. You’d suffer open sores and be liable to fungal and bacterial infections just from the spores on your skin, even if the water itself was perfectly sterile. The pressure of the water also reduces the circulation to your extremities and makes breathing more difficult.

Explanation:

A relative term, hypotonicity defines a solution's characteristic in relation to another solution.

The cytosolic fluid or the fluid found inside a cell is frequently used as the comparison solution in biology. Therefore, a solution would be considered hypotonic in biology if it contained fewer solutes than the cytosol of a cell. The semipermeable membrane is the cell membrane. What then occurs to a cell in a hypotonic environment.

Tonicity has the prefix "hyper," which denotes "more" or "excess." Consequently, a solution that contains more non-penetrating solutes than the other solution can pass through a semipermeable barrier.

Therefore, A relative term, hypotonicity defines a solution's characteristic in relation to another solution.

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Answer: Young engineers will learn how to problem solve, they will learn how to use creativity, and Critical thinking. STEM classes and robotics clubs help students become career engineers because it teach's things you will have to know to become a engineer in the future.

Answer:

Volume would be 13

Explanation:

Divide the mass by the density

65/5

Answer:

13 mL

Explanation:

Divide mass by density.

Answer: MAUNA LOA VOLCANO (VNUM #332020)

19°28'30" N 155°36'29" W, Summit Elevation 13681 ft (4170 m)

Current Volcano Alert Level: WARNING

Current Aviation Color Code: ORANGE

AHYI SEAMOUNT VOLCANO (VNUM #284141)

20°25'12" N 145°1'48" E, Summit Elevation -449 ft (-137 m)

Current Volcano Alert Level: ADVISORY

Current Aviation Color Code: YELLOW

KILAUEA VOLCANO (VNUM #332010)

19°25'16" N 155°17'13" W, Summit Elevation 4091 ft (1247 m)

Current Volcano Alert Level: WATCH

Current Aviation Color Code: ORANGE

Explanation: hope that helps

Answer: its 5ft tall and 12 inches

Explanation:

Answer:

sorry I don't know please I am really sorry

Answer:

In similarity, the farthest they get to being alike is, they both meet some forms of energy. They are different because light energy does not make sound, and sound energy cannot make light.

Hope it helps!

-science potato

Based on evidence from Sim, when two substances were combined they did not change into different substances.

Here the word Sim is used to describe the process simulation. Simulation is defined as when two substances combined they do not change into different substances.

They just combine together and form a new substance.

Let us understand it as the first substance is liquid and the second substance is solid then when we combine both of them they form a new mixture but do not change their property.

The mixture is still liquid but it also has some properties of solid substance.

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The substances did not change into different substances.

Based on the information provided in the question, there is no evidence or indication of any chemical reaction or change in the substances when they were combined in the cup. The question does not mention any observations or effects that would suggest a chemical transformation.

If there were a chemical reaction or change, it would typically be accompanied by observable signs such as color change, gas production, temperature change, or formation of a precipitate. However, since the question does not provide any evidence or observations of such changes, we can conclude that the substances did not undergo any chemical transformation when combined.

It is important to note that without additional information or details about the substances and their behavior, it is not possible to make definitive conclusions. However, based on the given information, the most reasonable conclusion is that the substances remained unchanged when combined in the cup.

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Answer:

reactants give energy and products, when the energy is absorbed to break bonds the energy will be released

Explanation:

Answer:

Due to the absorption of energy when chemical bonds are broken, and the release of energy when chemical bonds are formed, chemical reactions almost always involve a change in energy between products and reactants.

Explanation:

Answer:

It's C!

Explanation:

when the amplitude was doubled the energy went up 4x

Answer ;

D

Explanation;

As much salt as you can with lots of mixing to make a saturated. Solution. Once again we get tarnished penny and dip it in and there.

Answer:

c.Dip it in vinegar and salt

Explanation:

why we make dully penny shiny again

Cowper oxide dissolves in a mixture of weak acid and table salt-and vinegar is an acid. You could also clean your pennies with salt and lemon juice or orange juice, because those juices are acids, too.

Answer:

abiotic sand sunlight water currents

biotic fish bacteria jellyfish

pretty sure this is right

because biotic is living and abiotic is nonliving

Answer:

Sorry for the late answer but it would be d :)

Explanation:

Answer:

C) They cannot show all the interactions taking place.

Answer:

click the lil button that looks like a paperclip

Explanation:

Answer:

There is a paperclip-looking symbol when you are typing. Just download it to your computer or phone and attach it

Explanation:

Answer:

i think c

Explanation:

Answer:

unbalanced

Explanation:

because two dogs are pulling it so it's not going to be in place?

Les atomes sont composés de protons, électrons et neutrons.