Chemistry High School

Select the answer that completes each statement.

The
founded the Virginia colony.

The
government took over the Virginia colony because too many colonists had died.


and
worked on the tobacco plantations.

The
was the first elective governing body in a British colony.

Answers

Answer 1

Answer:

1 colonists

2 England

3 slaves

4 the House of Burgesses

Answer 2

Answer:

:)

Explanation:

Select The Answer That Completes Each Statement.The Founded The Virginia Colony.The Government Took Over

Related Questions

Land can also be called:
A) Money and/or profit
B) Natural Resources
C) Human Resources

Answers

I’m pretty sure the answer would not be C) Human Resources.

Choose the answer that best completes the sentence below.

Chopping up a fish is an example of a physical change; _______, grilling a fish is an example of a chemical change.

A. as a result
B. for instance
C. including
D. on the other hand

Answers

most likely going to be “on the other hand”.

Answer:

on the other hand

Explanation:

I think its correct

Oxygen can be produced in the laboratory by the reaction

2KClO3———-> 2KCl+3O2

How much potassium chlorate is needed to produce 2.75 L of oxygen, collected over water at 37°C and 94.9 kPa? The vapor pressure of water at 37°C is 6.28 kPa.

Answers

Answer:

5.2g potassium chlorate is needed to do so

14. An atom has 10 protons, 8 electrons, and 7 neutrons. What is the charge of the
atom and what type of ion is it?

Answers

Answer:  the atom is a CATION (ion) of +2 charge.

Explanation:

The charge on an atom = # of protons - # of electrons

                                       = 10 - 8

                                       = +2

∴ the atom is a CATION (ion) of +2 charge.

                                   

what the differenve between ionisation and dissociation

Answers

The key difference between ionization and dissociation is that dissociation is the process of separation of charged particles which already existed in the compound whereas ionization is the formation of new charged particles which were absent in the previous compound

Calculate the number of moles of alkali in 25cm3 of NaOH solution used.

Answers

Answer:

0.001mol

Explanation:

volume (NaOH) =25cm³ =0.025dm³

molar volume = 22.4dm³

n = V = 0.025 = 0.001mol

Vm 22.4

NEED HELP ASAP. Write a statement explaining your claim about whether or not the equation is correctly balanced.
Then, provide evidence that supports your claim about whether or not the equation is correctly
balanced. Next, connect your evidence to your claim about the equation.

Answers

Answer:

Explanation:

Hi! can you add the choices.

a 200 g of sugar was dissolved in 100 ml of water describe the solution

A.diluted
B.concentrated
C. sweet
D. very sweet

................... answer.........pls........
​

Answers

Answer:

b

Explanation:

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why is it necessary to run tlc in a closed container?

Answers

Answer:

Explanation:

It is necessary to run TLC in a closed container and have the interior saturated with the solvent vapor to ensure maximum resolution between components and to prevent solvent evaporating off. If the solvent evaporates off, the Rf value would be lower than the expected value.

When you rub an inflated balloonon your head on a dry day,it can make your hair stand up! what force is that?

Answers

When you rub an inflated balloon on your head and it makes your hair stand up, the force that makes the hair stand up is known as static electricity.

When the balloon is rubbed on the head, electrons from the hair atoms move into the balloon, thus making the balloon to be negatively charged and the hair positively charged due to loss of electrons.

Unlike charges attracts. Thus, when you try to pull the balloon away slowly, the positively charged hair and the negatively charged balloon will attract each other and this is usually what makes the hair stand up.

More on static electricity can be found here: https://brainly.com/question/24160155

Answer:

static electricity

Explanation:

this is because there is an imbalance between negative and positive charges

when you keep on rubbing, a negative charge is created which is carried by electrons.

when you pull the balloon away slowly, the opposite charges attract to each other which makes your hair attract to the balloon

The formula of alkanes contain 3 5 7 and 9 carbon atoms

Answers

Explanation:

In organic chemistry, an alkane, or paraffin (a historical trivial name that also has other meanings), is an acyclic saturated hydrocarbon. In other words, an alkane consists of hydrogen and carbon atoms arranged in a tree structure in which all the carbon–carbon bonds are single.

Bases react with carbon dioxide and from............. and water​

Answers

Answer:

I believe the answer is B. Carbonates

Explanation:

Yep the correct answer is B carbonates as bases react with acids to form salts

Which of these is known as a push or pull upon an object that results from its interaction with another object?

Answers

Answer:

b

Explanation:

Answer:

force or velocity

Explanation:

I am not sure

a thermometer used to measure the temperature of food must be accurate to what temperature?

Answers

Answer:Accuracy Thermometers used to measure the temperature of food need to be accurate to +/-2°F or +/-1°C. Thermometers used to measure air temperature in food storage equipment need to be accurate to +/-3°F or +/- 1.5°C. A hanging thermometer in a walk-in cooler is an example.

Explanation:

Please help serious answers only

Answers

Answer:

Neptune and Saturn although Neptune isn't on there so just Saturn.

hope it'll help ya out!

Someone pls help me I will make you brain

Answers

Answer:

B I and II

Explanation:

warming and melting.

please mark me brainliest

what type of carbohydrates provide the body with a sustained release of energy?

Answers

Answer:

Fiber-rich, complex carbs

Complex carbs with fiber take much longer to digest than simple carbs. This helps to maintain stable blood sugar levels because sugar enters the bloodstream gradually . Complex carbohydrates provide sustained energy and help you feel fuller for longer because they are digested more slowly.

Which form of carbohydrates can your body use for energy?Glucose, also known as blood sugar, is the primary energy source for your body's cells, tissues, and organs. Glucose can be used right away or stored for later use in the liver and muscles.Carbohydrates are the body's preferred fuel source because they can be quickly converted to glucose. A light carbohydrate snack right before exercise is a good idea for quick energy. Eat protein with carbs to slow the rate at which your body absorbs them for longer-lasting energy.Fat is the most concentrated source of energy in the body, providing more than twice the potential energy of carbohydrate or protein (9 calories per gram versus 4 calories each per gram).

To learn more about :  Glucose

Ref :  https://brainly.com/question/7224754

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The mass number is equal to the number of blank in the nucleus of the atom

Answers

Answer:

c

Explanation:

A cube measuring 1cm x 1cm x 1cm is full of water, What is the mass of the water in the cube? (Water has a density of 1.0)

Answers

d= m/v

1.0=m/1cm^3

1.0×1cm^3=m

m=1kg/cm^3

NO LINKS PLS HELP I WILL MARK THE BRAINIEST ANSWER

Answers

Answer:

Option a

Explanation:

simple

Answer:

The two solutions do not react with each other unless the water is boiled off, then the two will decompose.

Explanation:

Faster Rate: Higher temperature, Lower Rate: Higher temperature
Question 9 (2 points)
(02.04 MC)
John has three cups of sugar particles. Cup 1 has large sugar particles, Cup 2 has medium-sized particles, and Cup 3 has small sugar particles. If
John pours each cup in water, which cup of sugar particles will dissolve the fastest? (2 points)
оа
Cup 1 will dissolve the fastest.
Ob
Cup 2 will dissolve the fastest.
Oc
Cup 3 will dissolve the fastest.
Od
They will dissolve at the same rate.
Question 10 (2 points)
(02.04 MC)
Gina predicts that one really large cube of sugar will dissolve faster than the same amount of sugar in several medium-sized cubes. She thinks
rube. It has more surface area and will dissolve faster than the several medium-sized cubes. What is the

Answers

Answer:

cup c will dissolve the fastest

Explanation:

Because the particle size is smaller, the water can dissolve them quicker as the smaller the particle, the more surface are for the water to dissolve.

Between Si, P, Ge, and Se which element has the largest covalent radius?

Answers

Ge would have the largest radius as it is the lowest and right most element on the periodic table.

In descending order: Ge, Si, Se, P

Put in order from smallest to largest radii:
1. AI, Na, CI, Ar, Mg
2. S, Te, Po, Se, O
3. Cl, Ca, S, P, Ga, Mg
4. F, CI, Br, I, At

Answers

Answer:

1. Ar, Cl, Al, Mg, Na

2. O, S, Se, Te, Po

Explanation:

Just remember the trends. From left to right, atomic radius decreases because proton increases and pulls electrons closer. From top to bottom, atomic radius increases because there are more electron shells.

(ii)
Copper and potassium have different melting points and boiling points.
Give one other difference between the properties of copper and potassium.

Answers

Answer:

ExplanationWhat are the properties of potassium?

Image result for give one other difference between the properties of copper and potassium

Potassium metal is soft and white with a silvery lustre, has a low melting point, and is a good conductor of heat and electricity. Potassium imparts a lavender colour to a flame, and its vapour is green. It is the seventh most abundant element in Earth's crust, constituting 2.6 percent of its mass.:

Difference between copper and potassium is the valence electron of sodium is in the 3s orbital whereas the valence electron of potassium is in the 4s orbital.

What are the properties of potassium?

Potassium metal is soft and white with a silvery luster, has a low melting point, and is a good conductor of heat and electricity.

What are the properties of copper?

It is malleable, ductile, and an extremely good conductor of both heat and electricity. It is softer than zinc and can be polished to a bright finish.

Learn more about the copper and potassium here: brainly.com/question/15987580

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Which is larger 1.45 or 1.2544 for density

Answers

Answer:

1.45 is larger for density

which part of the chemical structure differentiates one amino acid from another?

Answers

Answer:

Every amino acid also has another atom or group of atoms bonded to the central atom known as the R group. This R group, or side chain, gives each amino acid proteins specific characteristics, including size, polarity, and pH.

What is the. chemical formular name of rusting?
​

Answers

Answer:

Iron(III) oxide

Explanation:

calculate mass in grams of 5.09×10^20 atoms of copper. (Atomic Mass 63.5)

Answers

Explanation:

here is the answer attached

* What element has an electron configuration of
1s2 2s2 2p6 3s2 3p6 4s2 and which block is it in? Use the periodic table.

Answers

Answer:

phosphorus

Explanation:

how many atoms of hydrogen are in 4Ca(OH)2​

Answers

Explanation:

there are 8 atoms of hydrogen

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