Sir Isaac Newton developed a law that describes the gravity between bodies of matter called _________________________________.

Answer:

volume it's SI unit is cubic centimeters or cubic meters

density grams per cubic centimeters

Answer:

element

Explanation:

an element is something made up of only one type of atom

Answer:

A

Explanation:

Answer:

A. the valence electrons

Explanation:

Answer: Physical properties

Explanation: Can be measured without changing a substance's chemical identity.

The acceleration of the car is equal to 3.33 m/s² with a velocity of 72 Km/hr.

Acceleration can be demonstrated as the rate of change of velocity over time. The acceleration can be explained as vector quantity due to both magnitude and direction. Acceleration is defined as the 2nd derivative of the position of the object w.r.t. time.

According to Newton's 2nd law of motion, the force exerted is equal to the mass times of acceleration of an object.

a = F/m

or, a = dv/dt

Given, the final velocity of the car, v = 72 Km/hr

v = 72 × 1000/3600 m/s

v = 20 m/s

The time is taken by car to travel, t = 20 s

The acceleration of the car, a = (20 - 0)/(6 - 0)

a =  3.33 m/s²

Therefore, the acceleration of the car is 3.33 m/s².

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Answer:

Here...

Explanation:

The feral hogs are most likely to compete with Herbivore and Carnivor for food sources. Option C is correct.

It is a type of food habit or nature in which an animal only eats plant or plants derived products.

For example Deer, Cows, etc.

It is a type of food habit or nature in which an animal only eats other animal or animal-derived food.

For example- Lion, tiger, etc.

Since,  feral hogs are omnivores who can eat both small animals and plants,

Therefore, the feral hogs are most likely to compete with Herbivore and Carnivor for food sources.

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Explanation:

a. 3 significant figures

b. 3

c. 4

d. 3

e. 4

f. 3

g. 3

h. 2

i. 1

j. 3

k. 1

l. 6

m. 3

n. 3

Answer:

The sun

Explanation:

All living things get energy from different sources (a cow gets it from grass, dog gets it from meat), but eventually, most energy on Earth comes from the Sun. Plants use it to perform photosynthesis, other organisms eat plants, and so on!

Answer:

The most accurate way to determine an object's volume, especially in the case of an irregularly shaped object, is to immerse it in water and measure the amount of water it displaces. A graduated cylinder large enough to hold both the object and enough water to fully immerse it is the best tool for this job.

Answer:

This question is incomplete

Explanation:

This question is incomplete. A covalent bond is a bond that involves the sharing of valence electrons (shared pair) by two atoms of the same/different elements/compounds. The electrons (valence) that are involved in covalent bonding are not the ones in pairs (lone pairs) on the outermost shell of the atom. For example, the single electron on a hydrogen atom is shared with another hydrogen to form hydrogen gas (H₂).

Another example is when the two individual/unpaired electrons on the outermost shell of an oxygen atom binds with two other unpaired electrons on the outermost shell of another oxygen atom.

Another example is when two different electrons from two hydrogen atom binds singly with the two unpaired electrons on the outermost shell of an oxygen atom to form water.

The diagram in the attachment provides illustration on the examples given.

Answer:

Magnesium dichloride

Explanation:

Answer:

[tex]d=1.6\ g/cm^3[/tex]

Explanation:

Given that,

The dimension of a square chunk of plastic is 5 cm × 5 cm × 5 cm

Mass, m = 200 g

We need to find its density

Density = mass/volume

It will form a cube. It volume = side³

So,

[tex]d=\dfrac{200\ g}{5^3\ cm^3}\\\\d=1.6\ g/cm^3[/tex]

Hence density is [tex]1.6\ g/cm^3[/tex]

Answer:

Conceptual

Explanation:

Answer:

Conceptual

letter B

Answer:

true

Explanation:

Answer:

0.005

Explanation:

I looked it up

Explanation: It's important to understand that "mg" is the abbreviation

for milligrams and "g" is the abbreviation for grams.

To convert 5 milligrams into grams, we first find the conversion factor

for milligrams and grams, which is 1,000 milligrams = 1 gram.

Next, notice that we're going from a smaller unit,

milligrams, to a larger unit, grams, so we divide.

Whenever we go from a smaller unit to a larger unit,

we will divide by the conversion factor.

So we have 5 mg ÷ 1,000.

When dividing by a power of 10, we can count the number of zeroes

in the power of 10 and move the decimal point that many places to the left.

So our answer is 0.005 grams.

Answer:

it erupts

Explanation:

The answer is D: process of hypothesis and testing through which scientists inquiry occurs

Answer:

d edge 2020

Explanation:

Answer: 64

Explanation:

you just multiple the 3 numbers to get the answer (i’m in chemistry and just did this question lol)

Answer: 500

Explanation: there's 0.001L in every mL. Divide the mL

by 1000 or multiply the liter by 1000.

Answer:

0.5m

Explanation:

Answer:

no there is not compound x in chemistry

Answer:

The correct answer is D

Explanation:

I took the test and got i correct. :) have a good day!

Answer:

Gold

Explanation:

water = H2O(3 atoms)

Sugar = C12H22O11 (45 atoms)

Salt = NaCl ( 2 atoms)

Gold = Au ( 1 atom)

A substance that is composed of only one type of atom is gold. Thus, the correct option for this question is D.

An atom may be defined as the smallest unit of any matter that has the ability to form a chemical element. An atom may also be characterized as a particle of matter that uniquely illustrates a chemical element.

Water is composed of two atoms which are hydrogen and oxygen. Its chemical formula is [tex]H_20.[/tex] Sugar is a complex compound that consists of atoms of Carbon, hydrogen, and oxygen. Its chemical formula is [tex]C_6H_1_2O_6.[/tex] Salt typically consists of atoms of sodium and chlorine. Its chemical formula is NaCl.

Therefore, gold is a substance that is composed of only one type of atom. Thus, the correct option for this question is D.

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Answer:

The answer is

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

[tex]volume = \frac{mass}{density} [/tex]

From the question

mass = 420 g

density = 10.5 g/cm³

The volume is

[tex]volume = \frac{420}{10.5} \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

c

Explanation:

To give a visual display of measurement precision best specifies the purpose of error bars on a graph.

Errors in chemical analysis result when there is a difference between observed value and the true value.If the magnitude of errors is large , it results in decrease in accuracy, reproducibility, and precision.

There are three types of errors:1) random error 2) systematic error 3) human error.The cause of random errors are difficult to quantify while the human errors can be minimized by taking a range of readings to reduce the error.

Errors while measuring boiling point may be human errors while noting down the boiling temperature or instrumental or systematic error if there is a fault in the thermometer.The experiments must be done with utmost care to minimize the range of errors.

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Answer:

The answer is

Explanation:

The mass of a substance given the density and volume can be found by using the formula

From the question

Density = 1.30 g/cm³

volume = 300 mL

Substitute the values into the above formula and solve

That's

mass = 1.3 × 300

We have the final answer as

Hope this helps you