4. When is it appropriate to use Roman numerals in naming compounds?

Answers

Answer 1

Answer:

Explanation:

Roman numerals are used in naming ionic compounds when the metal cation forms more than one ion.


Related Questions

A student is making lemonade. He added 5 g of lemonade mix to a container of water. The student then weighed the container with the lemonade. The total weight was 23 g. The empty container weighed 8 g after all the lemonade was gone. How much did the water weigh? O A. 38 B. 108 C. 158 OD. 18 g RESET Arianna Thomas, ID#* *87 Growth: Science 6+ GA 2016 Question # 11​

Answers

23-8=15. Then you subtract the weight of the lemonade mixture (5) from the amount of combined weight (15) in order to get your answer (10). Hope this helps!

PLEASE HURRY Question 7(Multiple Choice Worth 1 points)
(04.03 MC)
The equation shown represents cellular respiration,
Glucose + X - Y + Water + Energy
What do X and Y most likely represent?
OX represents carbon dioxide and Y represents sugar,
OX represents oxygen and Y represents carbon dioxide.
OX represents sunlight and Y represents hydrogen gas.
OX represents hydrogen and Y represents carbon dioxide.

Answers

x represents oxygen and y represents carbon dioxide

Answer:

X is oxygen and y is corban dioxide

Explanation:

glucose+oxygen=carbon dioxide+water+energy is the proces of cellular respiration

Helpppp I will mark brainliest!!!

Answers

Answer:

Position

Explanation:

The movements of what over time affected the global patterns of winds and ocean currents, which slowly changed climates

Answers

Answer: movement of continent

Explanation:

The Movement of Continents affects the global patterns of winds and ocean currents, which slowly changes climates.

We should note that the ocean currents moves water from the equator and moves them toward the poles and vice versa. This therefore leads to the regulation of ocean currents. This in turn, lead to changes in the climates.

PLS I WILL GIVE YOU BRAINLY What effect I think this new bacteria will have on patient 23's overall health

Answers

Answer:

Gut bacteria are an important component of the microbiota ecosystem in the human gut, which is colonized by 1014 microbes, ten times more than the human cells. Gut bacteria play an important role in human health, such as supplying essential nutrients, synthesizing vitamin K, aiding in the digestion of cellulose, and promoting angiogenesis and enteric nerve function. However, they can also be potentially harmful due to the change of their composition when the gut ecosystem undergoes abnormal changes in the light of the use of antibiotics, illness, stress, aging, bad dietary habits, and lifestyle. Dysbiosis of the gut bacteria communities can cause many chronic diseases, such as inflammatory bowel disease, obesity, cancer, and autism. This review summarizes and discusses the roles and potential mechanisms of gut bacteria in human health and diseases.

Explanation:

I hope it isn't wrong

Name the binary covalent compounds.
CO2:
CS2:
PBr3:
P2S5:
N2S:
SiS2:
NBr3:
N2Cl4

Answers

Answer:

CO2: Carbon Dioxide

CS2: Cardon Disulfide

PBr3: Phosphorus Tribromide

P2S5: Phosphorus Pentasulfide

N2S: Monosulfur Dinitride

SiS2: Silicon Disulfide

NBr3: Nitrogen Tribromide

N2CI4: Sorry don't know this one.

Atoms of two distinct elements are bound together by covalent bonds to form binary covalent compounds. They typically contain nonmetal elements, such as laughing gas NO, a gas that causes acid rain SO₂, etc. Binary covalent compounds are those that consist of just two components.

The definition of a covalent compound is one in which the atoms are joined by a covalent connection. Compounds with just two elements are referred to as binary covalent compounds.

The name of the given compounds are:

CO₂: Carbon Dioxide

CS₂: Cardon Disulfide

PBr₃: Phosphorus Tribromide

P₂S₅: Phosphorus Pentasulfide

N₂S: Monosulfur Dinitride

SiS₂: Silicon Disulfide

NBr₃: Nitrogen Tribromide

N₂CI₄: Dinitrogen Tetra chloride

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What is true about constructive interference?A.Amplitudes in the opposite direction interfere to make larger waves.B.Amplitudes in the same direction interference to larger waves.C.Amplitudes in the same direction interference to make smaller waves.

Answers

Answer:

B. Amplitudes in the same direction interference to larger waves

Explanation:

This is because constructive interference is the addition of waves to form a larger wave. In constructive interference, waves with amplitudes moving in the same direction add to form a larger wave.

Select the correct answer.

A substance is followed by the symbol (l) in a chemical equation. What does the symbol represent?

A.
The substance has the least molecules in the equation.
B.
The substance is in the liquid state.
C.
The substance is produced last in the reaction.
D.
The substance is dissolved in a liquid solution.
E.
The substance is lost at the end of the reaction.

Answers

Answer: choice b

Explanation:

The answer should be b

fill in the blank
______ is a way to describe matter with numbers and units.

Answers

Measurements hope that helps :)

Measurement is a way to describe matter with numbers and units.

Measurement is a fundamental process used to describe and quantify various aspects of matter. It involves assigning numerical values to physical quantities and expressing them using appropriate units of measurement.

In scientific and everyday contexts, measurements provide a standardized and consistent way to communicate information about the properties, dimensions, quantities, and characteristics of objects, substances, or phenomena. By using measurements, we can describe the size, length, mass, volume, temperature, time, and many other attributes of matter.

The process of measurement typically involves two components: a numerical value and a unit. The numerical value represents the magnitude or quantity being measured, while the unit provides the reference or scale by which that quantity is expressed. Units help provide meaning, context, and comparability to measurements.

Hence, measurement provides a quantitative and objective way to describe matter, allowing us to understand and interact with the physical world in a systematic and meaningful manner.

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If we didn't have joints would our bodies be able to move

Answers

Answer:

no

Explanation:

6. Which of the following test tubes
a) (5 Points) would have the fastest rate of reaction? Defend your answer.
b) (5 Points) would have the slowest rate of reaction? Defend your answer.
0.1 M
AgNO,
0.1 M
AgNO
1 M
AgNO.
Zinc
powder
Solid
zinc
Zinc
powder

Answers

Answer:

a. zinc because it is on top of them all in the reactive series so it reacts faster .

b. Ag because it is on the bottom of the reactive series and its reacts slow

How many atoms are represented by the formula CaO2?

Answers

Answer:

1

Explanation:

i’m stup!d.
please help:(

Answers

I think it’s AIF3, hopefully.....

The apparatus which cools the gas is called a ______. This changes a gas into a liquid.

Answers

Answer:

Condenser

Explanation:

A condenser is laboratory apparatus used to condense vapors — that is, turn them into liquids — by cooling them down. Condensers are routinely used in laboratory operations such as distillation, reflux, and extraction(Wikipedia).

Condensers of of practical importance especially in synthetic organic chemistry and in separation science where vapours are often condensed and collected the substance is collected in pure form by distillation.

5) A change in the chemical properties of a substance results in _________. *

a change of state
the same substance
a new substance

Answers

Answer:

a new substance

Explanation:

because it is chemival

Chemical change results in one or more substances of entirely different composition from the original substances.please mark brainliest if correct :)

HELP ASAP I will mark brainliest

Answers

Answer: The last one I think

Explanation:

Answer:

10623.0

Explanation:

Because 3541 is speed per hour

You need to find 3 hours

so multiply 3541 x 3

3541 x 3 = 10623

10623.0

I need the word equation for the reaction calcium oxide and nitric acid ​

Answers

Answer:

CaO + HNO3 = Ca(NO3)2 + H2O|

Explanation:

Nitric acid (HNO3(aq)) can be neutralized by calcium hydroxide (Ca(OH)2(aq)). Write a balanced chemical equation for the reaction between these two compounds and identify the salt that it produces.

Identify one step in the water cycle that is driven by the force of gravity

Answers

Answer:

i believe its precipitation??

Explanation:

What are the products?

Answers

i think it would be option 4?

Answer:

option 3

Explanation:

3 is the answer u get before you balance the equation

(06.06 MC)
A gas has a mass of 3.82 g and occupies a volume of 0.854 L. The temperature in the laboratory is 302 K and the air pressure is 104 atm Calculate the molar
mass of the gas.

Answers

Answer:

Explanation:

3.12

Answer:

its 3.12

Explanation:

What would sunscreen look like if it absorbed all of the visible light that hit it?

Answers

Answer:

i guess it would  become dark

Explanation:

how many moles are in 11g of carbon dioxide?

Answers

0.25 moles because 11/44

Answer:

0.25 moles

Explanation:

To find number of moles in 11 g of CO2

44 g of CO2 =1 MOLE

1GM of CO2 = 1/44 mole

11 gm of CO2 = 1/44x11

=11/44 mole

= 0.25 mole

HOPE IT HELPS U

what type of bond holds different water molecules together

Answers

Polar covalent bonds

Can someone help me with this

Answers

Answer:

i believe the correct answer is "Complete metamorphosis"

Explanation:

please help me out! which statement is true?

Answers

1st one

Explanation:

cause it has 17 proton number nd to complete the diagram it gain 1 electron so

Calculate the amount, in moles, of each component element in your substance. Use the periodic table to help you find the necessary molar masses. Round your answers to two decimal places.

ANSWER:
19.32 moles of carbon
57.54 moles of hydrogen
9.69 moles of oxygen

IK THE ANSWER GUYS. THIS IS JUST FOR THOSE WHO NEEDS HELP WITH THIS QUESTION XXX

Answers

Answer:

THANKSSSS

Explanation:

Answer:

Your A Literal Life Saver Thx

Explanation:

What is an Isochron map

Answers

Answer:

An isochrone map in geography and urban planning is a map that depicts the area accessible from a point within a certain time threshold. An isochrone is defined as "a line drawn on a map connecting points at which something occurs or arrives at the same time".

Explanation:

Answer:

An isochrone (iso = equal, chrone = time) is defined as "a line drawn on a map connecting points at which something occurs or arrives at the same time". In hydrology and transportation planning isochrone maps are commonly used to depict areas of equal travel time.

Explanation:

BRAINLIEST plz

Which of the following factors does NOT affect surface currents?

A. Coriolis effect
B. density
C. continental deflection
D .wind

Answers

Answer: B

Explaining: surface currents are caused by wind density affects deep ocean currents

The only factors that doesn't affect surface current from the question is B:

density.

Surface currents can be regarded as current that is been formed as a result of  Earth's rotation as well as changes in temperature.Surface currents is know as one of the determinant for climate. These currents is responsible for the bringing of  warm water from the equator then transfer it to the cooler parts of the ocean as a result of this heat energy is transferred.Some factors that influence surface current are; Coriolis effect : This also aid the movement of the currentcontinental deflection : this helps the deflection of  the currents from the continental land masses.wind : without wind there cannot be transfer of the warm water from the equator to the part of the ocean that is cool.

Therefore, Option D is correct because density does affect the surface current.

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An atom forms an ion with a -2 charge. It is:
A:A metal in group 2
B:A metal in group 6
C:A non-metal in group 2
D:A non-metal in group 6

Answers

the correct answer is D

3) What are the three types of sedimentary rocks?

Answers

Answer:

clastic, organic, and chemical

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