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Question 5 of 5
The Monroe Doctrine changed the United States' role in the world by:
O A. allowing the country to control a huge number of colonies around
the world.
O B. increasing the country's power to influence political decisions in
Europe.
C. giving the country a larger role in protecting other countries in the
Americas.
D. forcing the country to use its military to support all democratic
revolutions.

Answers

Answer 1

Answer:It is C i got it correct

Explanation:

Answer 2

Answer:

C. giving the country a larger role in protecting other countries in the

Americas.

Explanation:


Related Questions

please help

How are weather satellites and weather stations similar?


A They both capture images of clouds, storms, and snow.

B They both collect weather data from various locations.

C They both observe weather conditions from the atmosphere.

D They both require a human to be present for data collection.

Answers

Answer:

A is the answer.

Explanation:

Answer: the answer is B hope it hepls

Explanation:

What happens when molecules diffuse across the cell membrane?

Answers

Answer:

The correct answer is from areas of high concentration to low concentration.

Explanation:

A concentration gradient exists for these molecules, so they have the potential to diffuse into (or out of) the cell by moving down it.

Hope this Helps!

U give birth to a crusty child :)

The growth of a plant toward light is called _____.

phototropism
tropism
geotropism

Answers

It's called phototropism

Answer:

The answer is (Phototropism)

I WILL GIVE BRANLIEST HELP HELP HELP THE SUBJECT IS ACTUALLY SCIENCE What factor is a mushroom in an ecosystem? Abiotic or Biotic?

Answers

Answer: The answer is biotic

Explanation:Mushrooms are biotic because they are living things. Abiotic means non living, so these are factors in the environment that influence a living thing's life and chance of survival

Answer: jdusjzj bacteria germs

Explanation:

Why should a hypothesis be testable?
A. It must be testable in order to be found true or false.
B. It must be testable for the outcome to be predictable.
C. It must be testable for other scientists to consider it reliable.
D. It must be testable if it is to become a scientific theory.

Answers

A. It must be testable in order to be found true or false.

What would happen if a researcher failed to realize a thermometer he or she was using has a Celsius and Fahrenheit scale?

Answers

Answer:

To obtain a more accurate read on temperature, the researcher should make sure to measure temperature by Celsius degrees rather than Fahrenheit.

Explanation:

Temperature is a measure of heat intensity. In food science experiments, you should always require an exact description of heat intensity. The most commonly used unit of temperature in the laboratory is the Celsius degree because the Celsius temperature scale is based on the boiling and freezing points of pure water. The difference between the points of boiling and freezing temperatures (at 1 atmosphere of air pressure) is divided into 100 equal units, making a Celsius degree 0.01 of the difference between the boiling and freezing points of water, making it the most accurate method of exact temperature reading. It is important to use the Celsius scale if you have a thermometer that reads Celsius and Fahrenheit.

Which of the following correctly describes the electrical charges of subatomic particles?

B Protons/positive; neutrons/negative; electrons/negative

C Protons/neutral; neutrons/positive ; electrons/negative

D Protons/negative; neutrons/neutral; electrons/negative

Answers

Answer:

D Protons/negative; neutrons/neutral; electrons/negative

Explanation:

There are three fundamental subatomic particles found in atom which are the protons, neutrons and electrons.

Protons are the positively charged particlesNeutrons are neutral and do not carry any chargesElectrons are negatively charged.

In the tiny central nucleus, both protons and neutrons can be found

The electrons occupy the bulk volume of the atom.

Question 2 (1 point)
Which of the following is the main reason the transition metals are able to exist in different forms?
а.
predictability in ability to bond
B.
unfilled d orbitals
C.
magnetic properties
D.
predictability in number of valence electrons

Answers

Answer:

B. Unfilled d orbitals

Explanation:

Please help i will give brainliest

Answers

Question 2 answer is A

Write the electron configuration for the electrons identified by the following quantum numbers:

a) 2, 1, 0, -½
b) 4, 2, 0, -½
c) 5, 3, 2, -½

Thanks!

Answers

Answer:

see the answer at the pic

The electron configuration for the electrons as listed are:

a) 1s² 2s² 2p⁵ = 9X

b) 1s² 2s² 2p⁶ 3s²  3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d⁸ = 46 X

c) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴

Using the quantum numbers of the identified electrons to derive the electron configuration ( the representation of the distribution of electrons in the orbit of  an atom ) electron configuration of electrons can be calculated using the formula :2n².

where n = orbit number and the various energy levels are represented as 1,2,3,4... while shells of the an atom is written as K,L,M,N

hence the electron configuration of the electrons identified by the quantum numbers are as written above.

Learn more : https://brainly.com/question/20974986

When naming acids the prefix hydro- is used when the name of the acid anion ends in___

Answers

Answer:

hydrochloric acid

Explanation:

These anions usually have the ending “-ide.” As acids, these compounds are named starting with the prefix “hydro-,” then adding the first syllable of the anion, then the suffix “-ic.” For example, HCl, which is hydrogen and chlorine, is called hydrochloric acid. More complex acids have oxygen in the compound.

Below is a phase diagram for Carbon Dioxide. Use this diagram to answer the following question.
In this example we will start the Carbon Dioxide out at a temperature of -20oC and 1 atm of pressure. If the pressure was raised to 100 atm of pressure while still staying at -20oC, what phases would the Carbon Dioxide change between?

Answers

If you mark those points on the phase diagram it appears to be moving from vapor to liquid. If you can’t see how I determined that please let me know and I can further explain.

Vapor to liquid is the same as saying gas to liquid, which I believe to be the correct answer.

What is necessary to produce visible light from chemical compounds?

Answers

Answer:

the molecule must contain either pi bonds or atoms with non-bonding orbitals.

Explanation:

A non-bonding orbital is a lone pair on, say, oxygen, nitrogen or a halogen.

One isotope of oxygen differs from another isotope of oxygen in *

Answers

Each isotope of Oxygen has a different number of neutrons

Further explanation

The elements in nature have several types of isotopes

Atomic mass is the average atomic mass of all its isotopes

Isotopes are atoms has the same number of protons but has a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

Some of the isotopes of oxygen are:

[tex]\tt _8^{16}O,_8^{17}O,_8^{18}O[/tex]

Each isotope has 8 protons and 8 electrons but has a different number of neutrons

For O-16: number of neutrons = 16-8 = 8

For O-17: number of neutrons = 17-8 = 9

For O-18: number of neutrons = 18-8 = 10

Calculate how much Carbon Dioxide IN GRAMS needs to be absorbed to
release 500g of oxygen during photosynthesis.

Answers

Answer:

687.5 g of CO2

Explanation:

We'll begin by writing the balanced equation for photosynthesis. This is illustrated below:

6CO2 + 6H2O —> C6H12O6 + 6O2

Next, we shall determine the mass of CO2 absorbed and the mass of O2 released from the balanced equation. This is illustrated below:

Mass of CO2 = 12 + (2 × 16) = 12 + 32

= 44 g/mol

Mass of CO2 from the balanced equation = 6 × 44 = 264 g

Molar mass of O2 = 2 × 16 = 32 g/mol

Mass of O2 from the balanced equation = 6 × 32 = 192 g

Summary:

From the balanced equation above,

264 g of CO2 were absorbed to release 192 g of O2.

Finally, we shall determine the mass of CO2 absorbed to release 500 g of O2. This can be obtained as follow:

From the balanced equation above,

264 g of CO2 were absorbed to release 192 g of O2.

Therefore, Xg of CO2 will be absorbed to release 500 g of O2 i.e

Xg of CO2 = (264 × 500)/192

Xg of CO2 = 687.5 g

Thus, 687.5 g of CO2 will be absorbed to release 500 g of O2.

Which of the following equations is not balanced? ​

Answers

Explanation:

i think the answer is first and last

first equation only.
last one is balanced!!

Would CdF2 conduct electricity if dissolved in water?

Answers

When a metal conducts electricity, the charge is carried by electrons moving through the metal.

Metals react by losing valence electrons. Which of the alkali metals loses its valence electrons most easily? Explain.

Answers

Answer:

lol you have an aot profile pic

What are the coefficients that will balance the skeleton equation below?

___GaF3 +___KCN rightwards arrow___Ga(CN)3 + ___KF





A.
1, 3, 1, 3

B.
3, 1, 3, 1

C.
1, 1, 1, 3

D.
1, 3, 3, 1

1 points

QUESTION 6

The previous question is an example of what type of chemical equation?

A.
Synthesis

B.
Decomposition

C.
Single Re-Placement

D.
Double Re-Placement

Answers

1, 3, 1, 3

Explanation:

Ga - one on both sides

F - three on both sides

CN - three on both sides

K - three on both sides

But remember that CN was being multiplied by 3 on the right side already, meaning GA(CN)3 didn't mean a coefficient.

Answer:

Double re-placement

The two metals switched dance partners, that means it's a double.

How are elements and compounds a part of our daily lives?

Answers

Answer:

Aluminium (A1) -Used in the production of duralumin alloy for use in the construction of aeroplane bodies. 3. Silicon (Si) -To make microchips 4. Sulphur (S) -To make matches, fireworks and for the manufacture of sulphuric acid 5.

Explanation:

Hope this helped!

Answer:

yes

Explanation:

we use different elements and compounds in our life ex salt and iron but most of the substances found in our environment are mixture btw scientists need to classified substances to work with our substances and to study pure substances hope it helps u

Calculate the percent composition of C6H12O6

Answers

Answer:

Did you just let your cat walk on your keyboard? XD

Could you explain this a bit better please?

I'll answer the question in the replies of this comment if you can give me a bit more information.

Explanation:

May I have brainliest please? :)

HELP ME PLEASE ! I NEED HELP !
Which statement best completes the diagram?
Mexican culture
Most people live in
urban areas.
The most widely
spoken language is
Spanish
?
A. The most important literature is nonfiction
B. The most popular foods are vegetarian,
C. The most common religion is Catholicism.
D. Most people work as farmers.

Answers

Answer:

The answer is (c)

Explanation:

Answer:

C. The most common religion is Catholism.

Explanation:

I'm taking the quiz rn.

How much heat is required to raise the temperature of a 6.21 g sample of iron from 25.0 oC to 79.8 oC?

Answers

Answer:

151.1J

Explanation:

Given parameters:

Mass of iron  = 6.21g

Initial temperature of iron  = 25°C

Final temperature of iron  = 79.8°C

Unknown:

Amount of heat = ?

Solution:

The amount of heat require to cause this temperature can be determined using the expression below;

    H  = m c (T₂ - T₁)

H is the amount of heat

m is the mass

c is the specific heat capacity

T is the temperature

    Specific heat capacity of iron 0.444J/g°C

Insert the parameters and solve;

     H  = 6.21 x 0.444 x (79.8 - 25)

     H   = 151.1J

What are the following is example of physical property

Answers

Answer:

ig b

Explanation:

u didnt show a picture of it so I cant help

A physical property is a characteristic of matter that is not associated with a change in its chemical composition. Familiar examples of physical properties include density, colour, hardness, melting and boiling points, and electrical conductivity.

What is the change in entropy (AS) when sodium chloride dissolves in water?​

Answers

Answer:

D. Greater than 0

Explanation:

Sodium chloride(NaCl) in water is a endothermic reaction, which means the heat is absorbed.

CH4+O2--->CO2+2H2O2
Write a few paragraphs predicting the products of the chemical reaction and explaining why you made this prediction. Your document should:
i. identify the products of the chemical reaction.
ii. explain why these are the products based on trends in the periodic table (the number of valence electrons, electronegativity, etc.).
iii. identify the types of bonds in the reactants and products.
iv. identify the number of each type of bond in the reactants and products.
v. identify the type of reaction.

Answers

Riley Greene

Initial prediction : CH_4+O_2 transfers to CO_2+H_2O

Initial Explanation :

The products of this reaction are CO_2 and H_2O. These elements are Carbon Dioxide and Water. Atom's chemical properties are determined by the number of electrons in its outermost shells. Based on the number of electrons in the shells, it decides the reactivity of atoms. Atoms with the same number of electrons in the outer shells have similar chemical properties. If atoms have 1,2 or 3 valence electrons they react by giving out those electrons to become stable. If atoms have 6 or 7 electrons in the outer shell they react by taking in electrons to complete its outer shell.

So Methane has 8 valence electrons while Oxygen has 6. One molecule of methane combined with two oxygen molecules, react to form a carbon dioxide molecule, and two water molecules usually given off as steam or water vapor during the reaction and energy.

In the reaction, the bonds in the methane and oxygen come apart, the atoms rearrange and then re-bond to form water and carbon dioxide.The reactants are on the left side of the equation and the products are on the right. In the reaction, the bonds in the methane and oxygen come apart, the atoms rearrange and then re-bond to form water and carbon dioxide. No new atoms are created and no atoms are destroyed. This reaction is a combustion reaction.

Dot diagram Attached....

Revised prediction : CH_4+O_2 transfers to CO_2+H_2O

Revised Explanation : I was correct initially so I put the same explanation.

The products of this reaction are CO_2 and H_2O. These elements are Carbon Dioxide and Water. Atom's chemical properties are determined by the number of electrons in its outermost shells. Based on the number of electrons in the shells, it decides the reactivity of atoms. Atoms with the same number of electrons in the outer shells have similar chemical properties. If atoms have 1,2 or 3 valence electrons they react by giving out those electrons to become stable. If atoms have 6 or 7 electrons in the outer shell they react by taking in electrons to complete its outer shell.

So Methane has 8 valence electrons while Oxygen has 6. One molecule of methane combined with two oxygen molecules, react to form a carbon dioxide molecule, and two water molecules usually given off as steam or water vapor during the reaction and energy.

In the reaction, the bonds in the methane and oxygen come apart, the atoms rearrange and then re-bond to form water and carbon dioxide.The reactants are on the left side of the equation and the products are on the right. In the reaction, the bonds in the methane and oxygen come apart, the atoms rearrange and then re-bond to form water and carbon dioxide. No new atoms are created and no atoms are destroyed. This reaction is a combustion reaction.

The reaction as shown is a combustion reaction.

The reaction; CH4 + O2 ---> CO2 + 2H2O2 is a combustion reaction because methane reacts with oxygen to yield carbon dioxide and water. Carbon is always tetravalent in its compounds hence there are four carbon oxygen bonds in the product. Lets recall that the bonds in CH4 re nonpolar because of the minimal electronegativity difference between carbon and hydrogen. Even though the bond in CO2 is polar but the eneitire molecule is nonpolar because the dipoles cancel out. Water is a polar molecule.

Hydrogen forms only one bond hence in water molecule, each hydrogen atom is bonded to a central oxygen atom. All the bonds in water and carbon dioxide as well as in methane and oxygen are covalent.

Learn more: https://brainly.com/question/14283892

Helpppppp i hate chemistry
I will give brainiest who helps me with the correct answer
I promise

5. Name the compound which contain Strontium, Fluorine, and Oxygen.

Options:

Strontium fluorate
Strontium fluoride
Strontium chlorate
Strontium fluorine

Answers

Strontium fluorate.

Which models of the atom does the experimental evidence from Bohr's hydrogen experiment support? Explain why these models are compatible with the experimental results.

The models are Daltons, Thompsons, and Rutherfords

Answers

Answer:

Rutherfords

Explanation:

The model of the atom supported by Bohr's hydrogen experiment is the Rutherford's model of the atom.

Rutherford through his experiment on gold foil suggested the atomic model of the atom. The model posits that an atom has a small positively charged center(nucleus) where nearly all the mass is concentrated.

Surrounding the nucleus is the large space containing electrons. In the Bohr's model of the atom, he suggested that the extranuclear space of the atom is made up of electrons in specific spherical orbits around the nucleus.

I WILL GIVE YOU BRAINLIEST HELP HELP HELP THE SUBJECT IS ACTUALLY SCIENCE What factor is deer in an ecosystem? Abiotic or Biotic? the subject is actually science

Answers

Answer: the answer is biotic because dear are a living factor

Explanation:

An atom of a certain element has 12 protons, 14 neutrons, and 2 valence electrons. What is the name of this element?

Answers

Given :

An atom of a certain element has 12 protons, 14 neutrons, and 2 valence electrons.

To Find :

The name of this element.

Solution :

We know, element with atomic number ( number of protons ) 12 and valance electrons is Magnesium.

Now, isotope of magnesium of proton with 14 neutrons is Mg-16 .

Therefore, name of element is Mg-16 .

Hence, this is the required solution.

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