Chemistry High School

Which pair could be genetic clones?

look at the photo

Which Pair Could Be Genetic Clones?look At The Photo

Answers

Answer 1

Answer:

cow female

Explanation:

Related Questions

Help plz pozlzlzksj help

Answers

Answer:

increase moles of gas inside

Explanation:

Answer:

Its ( C )- Decrease the temperature of the gas inside the basketball

Explanation:

To make sure the balloon doesn't inflate so much it bursts you should NOT completely inflate the balloons when you know the temperature will increase!

What does 10% humidity in a weather report indicate?
A)the level of humidity is high.
B)the level of humidity is low.
C)the level of humidity is moderate.
D)the air can not hold anymore water.

Answers

Answer:

B

the humidity is the % of water in the air and it is out of 100% of the air. so 10/100 is low

Answer:

B

Explanation:

30%-50% is considered moderate. Anything below 30% is considered dry, anything above 50% is considered high. I hope this helps!

Which of the following keeps the planets in their orbits in the Solar System?
A friction
B gravity
C magnetism
D pressure

Answers

Answer:

B- gravity

Explanation:

Gravity is a force in which everything in the universe is trying to pull everyother thing towards themsef. Here, the sun's gravity keeps the planet in orbit.

I hope im  right! !!

What determines the activity?

Answers

Answer:

what activity

Explanation:

please help i don’t know this at all i am in a test

Answers

B . 5N in the opposite direction

what is a respiratory system

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Answer:

Body system that helps to breathe

Explanation:

Hope this helps! follow and message me in the comments if u need more explanation!

Answer:

The respiratory system consists of the set of organs and tissues involved in the uptake of oxygen from the atmosphere and the release of carbon dioxide generated during aerobic respiration. This gas exchange is also called breathing or external respiration.

Explanation:

particles of liquids have enough energy to separate from other liquid particles true or false

Answers

Answer:

False

Explanation:

I particles have enough kinetic energy to partly overcome the force of attraction between them, matter exists as a liquid. The particles can slide past one another but not pull apart completely. This explains why liquids can change shape but have a fived volume.

It is false hope this helps

3. Which of these statements is false?
A. Electrons have a negative charge
B. Electrons have a mass of 1 amu
C. The nucleus of an atom is positively charged
D. The neutron is found in the nucleus of an atom

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the answer is B. ......

Fill in the blank. (Copper has a charge of 2+)
Cu+ AgNO3 → Ag +

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Answer:

Cu(NO3)2

Explanation:

Cu+AgNO3--->Ag+Cu(NO3)2

[tex]Cu+AgNO_3[/tex] → [tex]Ag+Cu(NO_3)_2[/tex] is the complete reaction.

What is a chemical reaction?

A chemical change occurs when two or more substances combine to form a new substance.

[tex]Cu+AgNO_3[/tex] → [tex]Ag+Cu(NO_3)_2[/tex] is the complete reaction.

Copper and silver nitrate react to form cupric nitrate and silver.

Learn more about the chemical reactions here:

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1. Which of the following best explains the motion of the box on the table?

Answers

Answer:

The box is at rest

Explanation:

not moving object

The tectonic plates float on the lower portion of Earth's crust?

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Answer:

The tectonic plates comprise the bottom of the crust and the top of the Earth's mantle. There are ten major plates on Earth and many more minor ones. They float on a plastic-like part of the Earth's mantle called the asthenosphere.

Explanation:

Answer:

Yes

Explanation:

what are the good and bad effects of bacteria​

Answers

Answer:

they are bacteria

Explanation:

Answer:

Good bacteria keeps you healthy by supporting your immune function and controlling inflammation. Certain types of good bacteria can also: Help your body digest food. Keep bad bacteria from getting out of control and making you sick.

Explanation:

I hope this helps and pls mark me brainliest :)

A solution of 0.220 g of KIO3 is prepared in 50 ml volumetric flask. 2.00 mL of this solution is pipetted into a beaker with 8.00 ml distilled water, to give 10 ml of diluted KIO3. To this, 10.00 mL of starch sulfite was added. What would be the initial concentration of IO3- in this final solution

Answers

Answer:

0.00044 g/mL

Explanation:

First, 0.220 g of KIO₃ are dissolved in 50 mL, so the concentration at this point is:

0.220 g / 50 mL = 0.0044 g/mL

Then 2.00 mL of this solution are added to 8.00 mL of water (final volume = 10.00 mL). We calculate the concentration of the resulting solution:

0.0044 g/mL * 2.00mL / 10.00mL = 0.00088 g/mL

Finally, to this 10 mL solution, another 10.00 mL were added. Thus the KIO₃ (or IO₃⁻) concentration is:

0.00088 g/mL * 10.00mL / 20.00mL = 0.00044 g/mL

The diagram shows the structure of an animal cell.
Which number label represents the cell membrane? (5 points)

Answers

Answer:

1

Explanation:

The cell membrane is the protective, semi-permeable membrane surrounding a cell and its contents.

Answer:

I think 19 I think I don't know

HELP ASAP!!!!!!!
Nieko purchases a box of granola cereal that has a mass of 0.312 kg. When he gets
home, he sorts the cereal into groups: oats, raisins, and nuts. Next, he measures the
mass of each group. What will Nieko find when he adds together the mass of each
group?

Answers

Answer:

girlll we got da same question we need help

Nieko purchases a box of granola cereal that has a mass of 0.312 kg, then according to law of conservation of mass, the mass of each group is 0.312 kg.

What is law of conservation of mass?

According to law of conservation of mass the mass in isolated system can neither be created nor destroyed by chemical reaction and physical transformation but it transfer from one form to another.

When wood burn the mass of soot, gases and ashes is equal to the original mass of charcoal and the oxygen when it first created is one of the best example of law of conservation of mass.

Thus, Nieko purchases a box of granola cereal that has a mass of 0.312 kg, then according to law of conservation of mass, the mass of each group is 0.312 kg.

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How can you tell, from the drawings, that gravity is greater on Earth
than on Venus?

‼️ Physics‼️

Answers

Answer:

hi basically also also Aussie

WILL GIVE NRAINLIEST!! NEED HELP FAST

7. (50 points) If you have 25 grams of Aluminum (Al), how many moles of hydrogen
gas (H) can you make? Show work!

Answers

Hello,

I believe this is (25 g Al) * (1 mol H / 1.008 g H) = 24.8015 mol H

Hopefully that was the right approach.
I thought that if one mole of Al is
26.982 g, then the numbers of moles for H (1.008 g/mol) would be about 25 mol.
If it doesn’t make sense or if you have resources/notes to which I can refer, I’ll see what I can do!

Good luck!

During ANY type of phase change, which of the following is TRUE? *

1. The temperature changes
2. The energy increases
3. The energy decreases
4. The temperature stays the same

Answers

the ones that are true are 1,2

two oxides, X and Y are added seperately to dilute sulfuric acid and dilute sodium hydroxide. X reacts with dilute sulfuric acid but Y does not react. Y reacts with aqueous sodium hydroxide but X does not react. which type of oxide are X and Y ?

Answers

Answer:

c

Explanation:

x basic and metallic while y is acidic

The study of chemicals is called chemistry.

The correct answer is B.

The compound which has oxygen in it is called oxide. According to the question, the element is react with the acid and base.

The X only reacts with the acidic compound but not basic compound hence the element X is basic in nature. while Y only reacts with the basic compound, not X, hence the Y element is acidic in nature.

Therefore, the correct answer is B.

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There are three bulbs powered by a battery. What will happen if the middle light burns out.

Answers

Answer:

ABC

Explanation:

Shale is a sedimentary rock that can can be metamorphosed into slate by

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The soft, clay-rich rock known as shale, when subjected to pressure becomes a harder rock called slate. ... Even coal can be metamorphosed; bituminous (soft) coal, a sedimentary rock, can be changed into anthracite, or hard coal.

it is also called solution

Answers

Explanation:

In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent. ... The term "aqueous solution" is used when one of the solvents is water.

are soft pretzels, (like the auntie annes ones you get at the mall) made through the process of convection, conduction or radiation? thank youuu so much if you can answer ur the best

Answers

Answer:

I believe it's radiation, but please correct me if I'm wrong.

Explanation: Have a good day !

Which gas is given out during burning process

Answers

Answer:

Carbon dioxide

I hope it helps

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what would happen to a piece of iron if it were placed close to this device

Answers

Answer: c) it moves toward a piece of iron

Explanation:

2. Each type of atom is called an element. Which part of the atom give the
atoms its Identity?

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The smallest particle of an element which is indivisible and takes part is chemical reaction as a whole without division is called an atom.

the three fundamental particles that identify the atoms are protons, neutrons and electrons.

How many moles of each element are in one mole of Be(OH)2? (3 points)
a. 1 mole of beryllium, 1 mole of oxygen, 2 moles of hydrogen
b. 1 mole of beryllium, 2 moles of oxygen, 2 moles of hydrogen
c. 2 moles of beryllium, 2 moles of oxygen, 2 moles of hydrogen
d. 2 moles of beryllium, 1 mole of oxygen, 1 moles of hydrogen

Answers

Answer:

b

Explanation:

Answer:

B

Explanation:

Please help me with this

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323.5g - 301.2g = 22.3g is the change in mass.

1. How many atoms of oxygen are present in 0.04 mole NaNO3?

2. How many moles of nitrogen atoms are present in 10.5g of N2O5?

3. How many atoms of oxygen are present in 50g of Fe(H20)2(S04)3? Please answer fast

Answers

Answer:

1. 7.227x10²⁴ O atoms

2. 0.1944 mol

3. 3.18x10²³ atoms

Explanation:

1. To solve this problem we need to use Avogadro's number, which states the number of molecules that are in 1 mol of a substance:

0.04 mol NaNO₃ * 6.023x10²³ molecules/mol = 2.409x10²⁴ molecules NaNO₃

There are 3 O atoms per NaNO₃ molecule, thus the answer is (3* 2.409x10²⁴) 7.227x10²⁴ atoms.

2. First we convert 10.5 g of N₂O₅ into moles, using its molar mass:

10.5 g N₂O₅ ÷ 108 g/mol = 0.0972 mol N₂O₅

There are 2 N moles per N₂O₅ mol, thus the answer is (2*0.0972) 0.1944 mol.

3. First we convert grams into moles:

50 g Fe(H₂O)₂(SO₄)₃ ÷ 379.85 g/mol = 0.132 mol

Then we use Avogadro's number:

0.132 mol * 6.023x10²³ molecules/mol = 7.95x10²² molecules Fe(H₂O)₂(SO₄)₃

There are 14 O atoms per Fe(H₂O)₂(SO₄)₃ molecule, so the answer is (7.95x10²² * 4) 3.18x10²³ atoms.

please answer as quick as possible

Q2. Which of the following elements is an alkali metal
A Potassium
B Chlorine
C Neon
D Krypton

Answers

Answer:

A - potassium........ M

Answer:

POTASSIUM

Explanation:

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