on this graph below, the independent variable is

Answer:

I think 20

Explanation:

Becu of science

Answer:

Lewis structures, also known as Lewis dot diagrams, Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures, are diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule. A Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds

Explanation:

Answer:

Explanation:

The final pressure can be found by using the formula for Boyle's law which is

[tex]P_1V_1 = P_2V_2[/tex]

Since we are finding the new pressure

[tex]P_2 = \frac{P_1V_1}{V_2} \\[/tex]

From the question we have

[tex]P_2 = \frac{10 \times 2}{20} = \frac{20}{20} \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

D i belive

Explanation:

Answers:

Identify arrows pointing to bonding electrons.

✔ a, b, d

Identify arrows pointing to nonbonding electrons.

✔ c

Identify arrows pointing to structures containing sigma bonds.

✔ a, b, d

Identify arrows pointing to structures containing pi bonds.

✔ a

Explanation:

all the parts for those who need it!

these are all correct on edge! <3

Your question is incomplete. Please check below the full content

Identify arrows pointing to bonding electrons

a)✔a, b, d

b)✔ c

c)✔ a, c, b

d)✔ a

Identify arrows pointing to bonding electrons.

✔ a, b, d

The coordinate covalent bond is shown by an arrow with its head pointing towards the direction of the donation of an electron pair, as shown in Figure 2.

Here are 5 examples of covalent compounds

1 Hydrogen (H2) Hydrogen (H) is the simplest of all elements.

2 Oxygen (O2).

3 Nitrogen (N2).

4 Water (H2O).

5 Carbon Dioxide (CO2).

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Answer:

360 degrees

Explanation:

Answer:

longitude is vertical lattitude is horizontal

Explanation:

Dalton's atomic theory was proposed by John Dalton in 1803. It states that elements are made up of indivisible atoms, atoms of the same element are identical, and atoms cannot be created or destroyed.

Dalton proposed that the concept of atoms might be used to explain the laws of definite proportions and the conservation of mass. In his theory, atoms—which he described as "solid, massy, hard, impenetrable, moving particle(s),"—are the minuscule, indivisible units that make up all matter.

It is significant to highlight that Dalton had no knowledge of the potential existence of interior structure in atoms because he lacked the tools necessary to observe or perform further experiments on individual atoms. In a molecular modeling kit, where the various components are represented by spheres of various sizes and hues, we may imagine Dalton's atom as a component. We now know that atoms are not solid spheres, despite the fact that this paradigm is useful in some situations.

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Answer: B

Explanation: intook the test

They all share genetic information as DNA, shaping their unique traits and functions through evolutionary processes.

Option (A) is correct.

The similarity among a peacock, a jellyfish, and a birch tree lies in the fact that they all share genetic information encoded in their DNA. Genetic information is the blueprint that determines an organism's traits, functions, and characteristics. Despite their diverse appearances and habitats, all living organisms, including these three examples, utilize DNA to carry hereditary instructions.

However, it's important to note that while they share genetic information, the way this information is expressed and the specific traits it codes for differ significantly among these organisms due to variations in their evolutionary history, adaptations, and environmental interactions.

This shared genetic foundation underscores the fundamental biological unity among all living beings on Earth, while the unique expression of this genetic information contributes to the incredible diversity of life forms.

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The complete question is:

How are a peacock, a jellyfish, and a birch tree similar?

A) They all share genetic information.

B) They all contain carbon.

C) They all reproduce the same way.

D) They all obtain energy in the same way.

Answer:

375 grams

Explanation:

The percent yield if 155 grams of calcium carbonate is treated with 250 grams of hydrochloric acid and 142 grams of calcium chloride is obtained is 82.55%

Percent yield is defined as the amount of product actually made compared with the maximum calculated yield. It is the ratio of actual yield to the theoretical yield.

Mass of calcium carbonate = 155 g

Mass of HCl = 250g

Mass of calcium chloride product = 142 g

Moles of calcium carbonate = 155 / 100 = 1.55 moles

Moles of HCl = 250 / 36.5 = 6.85 moles

Mass of calcium chloride = Moles x Molar mass

                                          = 1.55 mole x 111 g/ mole

                                          = 172 g /mole

Theoretical yield = 172 g

Actual yield = 142 g

Percent yield = Actual yield / Theoretical yield x 100
                      = 142 / 172 x 100

                      = 82.55 %

Thus, the percent yield if 155 grams of calcium carbonate is treated with 250 grams of hydrochloric acid and 142 grams of calcium chloride is obtained is 82.55%

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Answer:

2Zn(s) + O2(g)------2Zno

Answer:

D

Explanation:

it slowly changes rocks or minarials it puts it under pressure and compacks it and it forms a rock for example

Answer:

Deposition

Explanation:

The process of deposition is when an object goes from a gas to a solid. In the picture, the first container had a gas (molecules were far apart). In the second, the molecules were tightly packed (a solid).

Hope this helps!

Answer:

590 g CaCl₂

General Formulas and Concepts:

Chemistry - Atomic Structure

Explanation:

Step 1: Define

5.3 mol CaCl₂

Step 2: Identify Conversions

Molar Mass of Ca - 40.08 g/mol

Molar Mass of Cl - 35.45 g/mol

Molar Mass of CaCl₂ - 40.08 + 2(35.45) = 110.98 g/mol

Step 3: Convert

[tex]5.3 \ mol \ CaCl_2(\frac{110.98 \ g \ CaCl_2}{1 \ mol \ CaCl_2} )[/tex] = 588.194 g CaCl₂

Step 4: Check

We are given 2 sig figs. Follow sig fig rules and round.

588.194 g CaCl₂ ≈ 590 g CaCl₂

Answer:

Two process that occur are dissolving and solvent

Answer:

Explanation:

Those are the answers in order, BUT the Goldstein and Rutherford ones are confusing me because Rutherford discovered protons and the nuclear atom. Through my research I also noticed that Goldstein contributed to the discovery of the protons made Rutherford, so I listed him as the one who discovered the proton.

I hope this helps! Have a wonderful night! :D

Answer:

A

Explanation:

Carbon dioxide in the air

Answer:

c

Explanation:

it is acidic due to carbon dioxide dissolving into it and forming a weak carbonic acid.

Answer:

protons and neutrons

Explanation:

Organic compounds;

Inorganic molecules;

An organic molecule are the molecules that contain long chains of carbon and are studied as part of organic chemistry. Inorganic compounds do not contain catenated carbon chains and are studied as part of inorganic chemistry.

Let us now classify the compounds;

Organic compounds;

Inorganic molecules;

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Answer:

b

Explanation:

Answer:

C - no antibodies

Explanation:

I dont think there is any blood type without antibodies

Steel ball bearings and marbles can be separated through manual sorting due to their difference in appearance.

Before answering the question, let us define the given choices.

The given separation techniques are not suitable for the separation of steel balls bearings, and marbles. Instead, the sorting separation technique must be used. This is used for manually sorting coarse materials based on their physical characteristic, which in this case is their difference in appearance.

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Answer:A

Explanation:

Answer:

Explanatio≡

6.022

×

10

22

copper atomsn:

Answer:

WHY: You can abbreviate an element's electron configuration using the noble gas notation method because when you get down to the lower elements, specifically the d's and the f's, the electron configuration will be very long. The noble gas notation method is a faster answer while also being correct.

HOW: We can abbreviate an element's electron configuration by finding the last noble gas a specific element passed, for example calcium would have just passed Argon. Once you have the "address" of the previous noble gas, then you add on the difference between the element chosen and the noble gas, for example calcium would be [Ar] 4s^2.

Explanation:

Answer:

B- shield

Explanation:

C IS NOT CORRECT.

Edge 2022 ;)

Answer: B shield

Explanation:

The unknown material : gold

Density is a quantity derived from the mass and volume  

Density is the ratio of mass per unit volume  

Density formula:  

[tex]\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}[/tex]

ρ = density  

m = mass  

v = volume  

mass of unknown material : 15.06 g

volume : 0.78 ml

The density of unknown material :

[tex]\tt \rho=\dfrac{15.06}{0.78}\\\\\rho=19.31~g/ml[/tex]

Materials that match the density: gold

Answer:

A precipitate will be formed, it will be Cu(OH)2.

Explanation:

This is due to it's solubility.

There will be a precipitate due the solubility which will be result in the Cu(OH)2 precipitate.

A double replacement reaction is a chemical reaction in which two reactant and product exchange cations or anions to produce two new products.

Double replacement reactions are also referred to as double displacement reactions or metathesis reactions.

The simplest way to detect a double displacement reaction is to see if the cations exchanged anions with one another.

If the states of matter are mentioned, look for soluble reactants and the creation of a single solid product, as the reaction typically produces a precipitate.

As a result of the solubility, a precipitate will form, resulting in the Cu(OH)2 precipitate.

Thus, this is the result of the reaction.

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