Please help me vote you brainiest

Answers

Answer 1

Answer:

If two forces act on an object in the same direction, the net force is equal to the sum of the two forces. This always results in a stronger force than either of the individual forces alone

Related Questions

how many grams are there in 2.3x10^24 atoms of silver

Answers

first calculate using
n=N/Na (Na is avagardros number)

then substitute n into:
n=m/M (M is the molar mass)

your answer is: 412.06 g

what did rutherford's gold foil experiment tell about the atom

Answers

Answer:

The alpha particles that were fired at the gold foil were positively charged. ... These experiments led Rutherford to describe the atom as containing mostly empty space, with a very small, dense, positively charged nucleus at the center, which contained most of the mass of the atom, with the electrons orbiting the nucleus.

which sentence describes two atoms that form a covalent bond?

Answers

Answer:

its D

Explanation: just took the test got it right

Option : D

The difference in electronegativity of two atoms should be less than or equal to 1.7 to form a stable covalent bond.

What is covalent bond?A covalent bond is the mutual sharing of one or more pairs of electrons between two non -metal atoms.What is electronegativity?Electronegativity is the tendency of an atom or a functional group to attract electrons toward itself.How electronegativity is related to covalent bonding?Electronegativity affects the degree of sharing of electrons in covalent bonding.The higher the equivalent sharing the stronger the bond.

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Brian's family has a compost pile at home. They put all the weeds they pull up from the garden in it as well as any vegetable waste they gather from the kitchen. If they keep it moist, all this vegetation will
eventually turn into organic soil by the chemical process of decay. Since decay involves a variety of chemical reactions, how might temperature affect the rate at which the compost turns into sol?
Temperatures near freezing would make it speed up.
It would happen faster at warmer air temperatures.
Changing temperatures would not affect the chemical reactions.
Warm summer air temperatures would make it slow down.

Answers

Answer:

Option - It would happen faster at warmer air temperatures

Explanation:

The chemical process of converting organic matter such as plants, litter into organic soil, or organic compost called decomposition and perform by decomposers such as fungus or bacteria.

Like all other living organisms, decomposers also live in an optimal range of temperature. The major decomposers normally lie in the range of 30 to 40-degree celsius. Any type of fluctuation in this range might slow down the reaction of decomposition.

The table below describes two parts of living cells.
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Parts of Living Cells

Plant cell Animal cell

Part A Present Present

Part B Present Absent

Which of the following is most likely correct? (1 point)

a

Part A is vacuole, Part B is nucleus

b

Part A is mitochondria, Part B is cell wall

c

Part A is cell wall, Part B is cell membrane

d

Part A is chloroplast, Part B is mitochondria

Answers

Answer: membrane and cell wall

Explanation: this is because the cell wall is only known to happen in plant cells and a membrane is in both plant and animal cells so it is most likely membrane and cell wall.

Answer:

Explanation:

The speed of someone running 5 miles in 45 minutes

Answers

Answer:

9 is the answer

Explanation:

because u need to divide 45 from 5 which is 9

Answer:

Explanation:

What happens to the anode in an electrochemical cell?
A. It gains electrons.
B. It loses mass.
C. It gains mass.
D. It becomes electroplated.

Answers

Answer:

I think it bbbbbbbbbbbbb

Answer:

Explanation:

Hope this helps!!!

Which statement best describes why radioactive atoms can be used to date materials?

A.
Nonradioactive atoms in rocks eventually turn into radioactive atoms.

B.
The Sun interacting with atoms in a rock causes new atoms to form over time.

C.
The ratio of radioactive atoms to other kinds of atoms changes over time.

D.
The number of radioactive atoms in a substance increases over many years.

Answers

The ratio of radioactive atoms to other kinds of atoms changes over time. Hence, option C is correct.

What is radioactive decay?

In the process of radioactive decay the unstable atom nuclei of the parent nucleus break down and split so as to release the daughter atoms or nuclei along with the release of energy in the form of heat. Thus as the decay process proceeds the concentration of the parent atom decreases but the concentration of the daughter atom increases.

Radioactive atoms can be used to date materials because the radioactive decay occurs at a known rate, and the density of fission tracks for the amount of uranium within a mineral grain can be used to determine its age.

Hence, option C is correct.

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Which of these actions would decrease heat transfer between two objects?

increasing the temperature of the warmer object
increasing the area of their contact
reducing the thermal energy of the cooler object
reducing the time of their contact

Answers

increasing the area of contact

Answer:

Explanation:

Reducing the time of their contact

What is the correct order of biological levels of organization, from the most complex (largest) to least complex (smallest)?

Answers

Answer:

The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere

Explanation:

What are the units for measuring specific heat?

degrees Celsius per gram
joules per degrees Celsius
joules per gram degree Celsius
degrees Celsius per joule gram

Answers

Answer:

The SI unit of specific heat is joule per kelvin and kilogram, J/(K kg). For example, at a temperature of 25 °C (the specific heat capacity can vary with the temperature), the heat required to raise the temperature of 1 kg of water by 1 K (equivalent to 1 °C) is 4179

Explanation:

if this answer is correct make me as brainlelist

Answer:

Explanation:

what is the charge on copper in CuSO4?

Answers

HIIIHERE'S YOUR ANSWER

copper sulfate is an ionic compound whose overall charge is zero. The copper ions have a +2 charge. The sulfate ions have a -2 charge.

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Is nitrogen and cobalt and carbon a mixture or pure substance

Answers

Nitrogen pure
carbon is mixture

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It's like eviction number four now
Go 'head and ash it on the floor now
Girl go 'head and show me how you go down
And I feel my whole body peaking
And I'm F anybody with they legs wide
NAME THE SONG

Answers

Low life?- i’m pretty sure

I need help please 18 points.

Answers

Answer is c hope this helps

Which of the following is accurate
regarding intrusive igneous rock?

A. It forms on the earth's surface.

B. It forms inside the earth.

C. It is made from sediments.

D. It has a fine-grained texture.

Answers

Answer:

Explanation:

I believe because intrusive stays within the earth

The accurate statement regarding the intrusive igneous rock is that It forms inside the earth.Hence, Option (B) is correct.

What are Intrusive igneous rock ?

Intrusive, or plutonic, igneous rock forms when magma remains inside the Earth's crust where it cools and solidifies in chambers within pre-existing rock.

The magma cools very slowly over many thousands or millions of years until is solidifies.

Therefore, The accurate statement regarding the intrusive igneous rock is that It forms inside the earth.Hence, Option (B) is correct.

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A sample of helium gas at a pressure of 0.538 atm and a temperature of 256 °C, occupies a volume of 437 mL. If the gas is cooled at constant pressure until its volume is 316 mL, the temperature of the gas sample will be

Answers

Answer:

110 °C

Explanation:

The following data were obtained from the question:

Initial pressure (P1) = 0.538 atm

Initial temperature (T1) = 256 °C

Initial volume (V1) = 437 mL.

Final pressure (P2) = constant = 0.538 atm

Final volume (V2) = 316 mL

Final temperature (T2) =?

Next we shall convert 256 °C to Kelvin temperature. This Can be obtained as follow:

T(K) = T(°C) + 273

Initial temperature (T1) = 256 °C

Initial temperature (T1) = 256 °C + 273 = 529 K

Next, we shall determine the new temperature of the gas as illustrated below:

Pressure = constant

Initial temperature (T1) = 529 K

Initial volume (V1) = 437 mL.

Final volume (V2) = 316 mL

Final temperature (T2) =?

Applying the Charles' law equation, we have:

V1 /T1 = V2 /T2

437/529 = 316/T2

Cross multiply

437 × T2 = 529 × 316

437 × T2 = 167164

Divide both side by 437

T2 = 167164 / 437

T2 = 382.5 ≈ 383 K

Finally, we shall convert 383 K to celsius temperature. This can be obtained as follow:

T(°C) = T(K) – 273

T(K) = 383 K

T(°C) = 383 – 273

T(°C) = 110 °C

Therefore, the new temperature of the gas is 110 °C

I need help it’s due in a couple minutes !

Answers

Answer:

chemical composition

HELP!!!!!!! THIS NEEDS TO BE DONE BY TODAY!!!!

Answers

Answer:I think it is A or C

Explanation:

what is the oxidation state of calcium

Answers

Rule 1 states that the oxidation numbers of an atom in an element is always 0, so the oxidation number for Ca in the metal and O in O2 have oxidation numbers of zero

hope this helped :)

Which of these structures is least in danger of chemical weathering?

a bridge made of iron rods

a pile of tiles made of feldspar

a bench made of composite plastic

a statue made of marble

Answers

I believe it is A because is a form of rock

SITUATION # 2: Every morning we drink milk to strengthen our bones. You
prepare a 100ml with a 5% powdered milk mix solution for your mother.
She asks you how many grams of milk you used for her drinks. What
would be your response to her question?

Answers

The amount of milk present on 5 % of 100 ml milk powder solution is 95 grams.

The solution was prepared by dissolving 5% milk powder in 100 ml of the solution.

The amount of milk powder will be = [tex]\rm 100\;\times\;\frac{5}{100}[/tex] ml

The amount of milk powder = 5 ml.

The amount of milk = Total - amount of milk powder

The amount of milk = 100 - 5

The amount of milk = 95 ml.

Since the density of milk = 1 gm/ml

The amount of milk in 95 ml of solution = 95 grams.

In the solution of 5 % milk powder in 100 ml milk, there would be 95 grams of milk.

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What best describes the bromide ion that forms?

It is a negative ion that has one less valence electron than a neutral bromine atom.
It is a positive ion that has one less valence electron than a neutral bromine atom.
It is a negative ion that has one more valence electron than a neutral bromine atom.
It is a positive ion that has one more valence electron than a neutral bromine atom

Answers

It is a negative ion that has one more valence electron than a neutral bromine atom. All atoms of the element potassium have 19 protons.

Answer:

I think It's C

Explanation:

I'm doing it on edge

What is the correct electron configuration for Si (atomic number 14)?

A. 1s2 2s2 2p6 3s2 3p2
B. 1s2 2s2 2p6 3s2 3p3
C. 1s2 2s2 2p6 3s1 3p3
D. 1s2 2s2 2p6 3s2 2d3

Answers

the first one is the correct answer

Answer:

1s2 2s2 2p6 3s2 3p2

Explanation:

you're welcome

How are protons and neutrons the same and how are they different?

Answers

Explanation:

Protons, Neutrons and Electrons are the three primary subatomic particles that form an atom.

Protons and Neutrons are large particles and are densely compacted into the nucleus of the atom. Protons are electrochemically positive in charge and the Neutrons are electrochemically neutral in charge.

Together the protons and Neutrons make up the mass of the atom.

Electrons are electrochemically negatively charged particles that move random around the nucleus. They have a relatively small mass compared to Protons and Neutrons. They are found in electron clouds that surround the nucleus and their movement and properties provide for the bonding characteristics of each atom.

can someone help me please

Answers

First response

Answer:

102°C is equal to

375.15 kelvin

Formula:

102°C + 273.15 = 375.15K

Therefore! your answer would be the third option

Answer:

375.15

Explanation:

102°C+273.15=375.15K

Hope I helped!

is silver nitrate a gas or solid

Answers

Answer:

soild

Explanation:

Answer:solid

Explanation:

Chemicals that are able to slow or stop the reaction rate are inhibitors. reactants. products. catalysts.

Answers

Answer:inhibitors

Explanation:

I just took the quiz .

Answer:

answer is (A inhibitors)

Explanation:

What is the overall charge of a Aluminum atom that loses 3 electrons

Answers

it’s charge was neutral due to the equal number of protons and electrons. when it becomes an ion it loses 3 electrons leaving behind only 10. the answer is 10. the equation is +13 +(-10)=+3

A ball is thrown upward as shown. Gravity pulls (accelerates) the ball back down. Which of the following statements is true?

Velocity and acceleration are both positive.

Velocity is negative and acceleration is positive.

Velocity is positive and acceleration is negative.

Velocity and acceleration are both negative.

Answers

Answer:

I think third one is the right answer

Explanation:

if it is right please mark me as brainliest

Answer:velocity is positive

acceleration negative?

Explanation:

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