Match the term with its description.

Match Term Definition
Chloroplast A) A green pigment present in all plants that absorbs light to provide energy for photosynthesis
Chlorophyll B) An organelle that contains chlorophyll and in which photosynthesis takes place
Energy C) A capacity to do work that can produce physical changes within living and nonliving systems
Glucose D) A type of sugar that is produced during photosynthesis to store chemical energy

Answer:

Hydrosulfuric acid will act as limiting reactant.

Explanation:

Given data:

Mass of iron(III) chloride = 3243.0 g

Mass of hydrosulfuric acid = 511.8 g

Limiting reactant = ?

Solution:

Chemical equation:

2FeCl₃ + 3H₂S       →       Fe₂S₃ + 6HCl

Number of moles of iron(III) chloride:

Number of moles = mass/molar mass

Number of moles = 3243.0 g/ 162.2 g/mol

Number of moles = 20 mol

Number of moles of hydrosulfuric acid:

Number of moles = mass/molar mass

Number of moles = 511.8 g/ 34.1 g/mol

Number of moles = 15 mol

Now we will compare the moles of both reactant with products

                      FeCl₃          :          Fe₂S₃

                       2                :            1

                      20               :          1/2 ×20 = 10

                      FeCl₃          :            HCl

                       2                :              6

                      20               :          6/2 ×20 = 60

                      H₂S             :          Fe₂S₃

                       3                :            1

                      15               :          1/3 ×15 = 5

                      H₂S            :            HCl

                       3                :              6

                      15                :          6/3 ×15 = 30

Hydrosulfuric acid producing less number of moles of product thus, it will act as limiting reactant.

Answer:

I believe the answer is B. Noble gases.

Explanation:  

their outer shell is already full of electrons which makes then less reactive.

Answer:

Ions form when atoms gain or lose electrons. Since electrons are negatively charged, an atom that loses one or more electrons will become positively charged; an atom that gains one or more electrons becomes negatively charged. Ionic bonding is the attraction between positively- and negatively-charged ions.

Answer:

there are three fundamental particles of atom

which are :

Particle Symbol

electron =》e-

proton =》p+

neutron =》n°

Answer:

The mole is important because it allows chemist to work with a subatomic world with macro world units and amount. Atoms molecules and formula units are very small and very difficult to work with usually. However the mole allows a chemist to work with amount large enough to use.

In the International System of Units, the mole is the unit of substance quantity. How many elementary entities of a certain substance are present in an item or sample is determined by the quantity of that material.

Three significance of Mole concept​ are:

1) Since atoms and molecules are so tiny, we can count them using the mole idea by weighing extremely little quantities of material.

2) It sets a benchmark for figuring out the stoichiometry of reactions.

(3) It explains the characteristics of gases.

The mole is specified as exactly 6.02214076×10²³ elementary entities.

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God is GOOD AND arr you sure that is written properly

Answer: I believe -3

Explanation:

Answer:

its due to the solvents being factored. to be prepared for the solution you would need a chemical change as the solvents get factored so this will mean that it will have a chemical reaction. in this case its slightly different so it will be called a chemical change as 2 different chemicals change and evolve.

Explanation:

Answer would be neither!

The reason being that it can take the shape and volume of anything.

Answer:

Neither

Explanation:

Answer:

B.

Explanation:

Answer:  There are many properties of a metal which is taken into consideration when it is used for construction

Explanation:

The properties can be physical, chemical, et cetera. The physical properties that is considered are:

1. Durability:  It can be defined as the property of the material to withstand the atmospheric pressure and other factors.

2. Density: The ratio of mass by volume of a material (homogeneous material) is called as density.

3. Fire resistance: The ability of the material to withstand in fire without changing its size or shape.

4. Weather resistance: The ability of the material to withstand the weather which could be variable round the year.

5.Water absorption: The ability of the material to absorb water and retain it.

Answer:

B

Explanation:

Answer:

86%

Explanation:

Calculate the theoretical yield from the mass of each reactant. The lesser amount is the theoretical yield. Then use the following formula to calculate the percent yield: % yield = actual yield/theoretical yield X 100.

The greenhouse effect can be cause as the process by which the temperature of the surface of the earth increases because of the earth's atmosphere. On the molecular level, greenhouse effect will be caused by the molecules of the some chemicals, called as the greenhouse gases.

When the some of the infrared radiation coming from the Sun and passes through the atmosphere, but the most of it absorbed and it will re-emitted in all the directions by the greenhouse gas molecules and the clouds. This effect is to warm the Earth's surface and will the lower atmosphere.

As the infrared radiation and the heat will be trapped and the recycled in between the atmosphere and the planet, it will generates the heat cycle.

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Answer:

we need to know it's

mass and velocity

Explanation:

then use the formula of kinetic energy

Answer:

Mass and velocity (or motion).

Explanation:

KE=(1/2)mv^2.

The kinetic energy of an object is the amount of work (expended energy) that's required to move (or more accurately, to accelerate) the object to a specific velocity.  So, if you know the mass of the object, and you know it's current velocity, you can determine it's kinetic energy with the formula above.

Answer:

Did u get the answers

Explanation:

Answer:

Hi! I think it's storms.

Answer:

I think evaporation

Explanation:

because clouds and precipitation are listed i am not entirely sure if I were u i would double check

Answer:

The answer is Community  

Explanation:

Answer:

a) silver

Explanation:

Given data:

Mass of object = 26.94 g

Volume of object = 2.568 cm³

Which subject is this = ?

Solution:

Formula:

d = m/v

by putting values

d = 26.94 g/ 2.568 cm³

d =  10.49 g/cm³

Densities of objects: g/cm³

iron =  7.874

gold = 19.32

silver =  10.49

copper = 8.92

Thus, given object is silver.

Total moles of gas = 0.1225

Volume of gas produced : 6.7375 L

mass of Nitrogen : 0.588 g

Given

2 ml of Nitroglycerin(ρ=1.592 g/ml)

Required

Total moles of gas

Solution

Nitroglycerin detonated ⇒ decomposition reaction

4C₃H₅N₃O₉(s)⇒ 6N₂(g)+12CO(g)+10H₂O(g)+7O₂(g)

mass of Nitroglycerin :

[tex]\tt mass=2~ml\times 1.592~g/ml=3.184~g[/tex]

moles of Nitroglycerin :

[tex]\tt moles=\dfrac{3.184}{227,0865~g/mol}=0.014[/tex]

Total moles of gas:

[tex]\tt \dfrac{6+12+10+7}{4}\times 0.014=0.1225[/tex]

Volume of gas produced :

[tex]\tt 0.1225\times 55=6.7375~L[/tex]

moles of Nitrogen :

[tex]\tt \dfrac{6}{4}\times 0.014=0.021[/tex]

mass of Nitrogen :

[tex]\tt 0.021\times 28=0.588~g[/tex]

*Answer:-*

The sun is about 1/3 the distance from the center of the Milky Way galaxy to its outer edges. It's located in a smaller spiral arm, between two large arms, called the Orion Arm.

Answer:

Explanation: I can't give you the answer you with the sentence but i will help you the best i can

One qualitative measure of the strength of an acid or a base solution is the pH scale A logarithmic scale that relates the concentration of the hydrogen ion in solution.

Answer:

x is horizontal

y is vertical

Explanation:

Answer: Carbon Dioxide, Methane, Nitrous Oxide and Fuorinated Gases

Explanation:Carbon dioxide (CO2): Carbon dioxide enters the atmosphere through burning fossil fuels (coal, natural gas, and oil), solid waste, trees and other biological materials, and also as a result of certain chemical reactions (e.g., manufacture of cement). Carbon dioxide is removed from the atmosphere (or "sequestered") when it is absorbed by plants as part of the biological carbon cycle.

Methane (CH4): Methane is emitted during the production and transport of coal, natural gas, and oil. Methane emissions also result from livestock and other agricultural practices and by the decay of organic waste in municipal solid waste landfills.

Nitrous oxide (N2O): Nitrous oxide is emitted during agricultural and industrial activities, combustion of fossil fuels and solid waste, as well as during treatment of wastewater.

Fluorinated gases: Hydrofluorocarbons, perfluorocarbons, sulfur hexafluoride, and nitrogen trifluoride are synthetic, powerful greenhouse gases that are emitted from a variety of industrial processes. Fluorinated gases are sometimes used as substitutes for stratospheric ozone-depleting substances (e.g., chlorofluorocarbons, hydrochlorofluorocarbons, and halons). These gases are typically emitted in smaller quantities, but because they are potent greenhouse gases, they are sometimes referred to as High Global Warming Potential gases ("High GWP gases").

Answer:

i think its c somebody correct me if im wrong. but hope this help

Explanation:

Explanation:

Carbon-12 and carbon-14 are two isotopes of the element carbon. The difference between carbon-12 and carbon-14 is the number of neutrons in each of their atoms. Atoms of both isotopes of carbon contain 6 protons. Atoms of carbon-12 have 6 neutrons, while atoms of carbon-14 contain 8 neutrons.

Answer:

C. Daily Organizer. Also called an agenda. We usually write notes in them for school related things so the answer is pretty self explanatory.

Answer:

The main difference between an atom and a molecule lies in the size: while the atom is the smallest unit into which matter can be divided into any of its states, a molecule is the union of a group of atoms, that is, this composed of several atoms. Thus, for example, a water molecule is composed of two hydrogen atoms and one oxygen atom (H2O). Therefore, it can be said that atoms are the smallest unit in which the chemical elements of the world can be divided, while molecules are the particles of matter that are formed through the combination of these elements.

Answer:

elements

Matter that has only one kind of atom is called an element. Gold, copper, oxygen, and mercury are examples of elements. Most matter is made up of two or more different kinds of atoms that are chemically combined. This kind of matter is called a compound.

Explanation:

Answer:

Element

Explanation:

This is the answer because:

1) All matter is made up of substances called elements.

2) Matter that iis made up of only one kind of Atom is called an Element.

Hope this helps! :D