how do you increase the rate of a chemical reaction?
a. increase the amount of reactants present
b. reduce the temperature

Answers

Answer 1
the answer is a.
increasing the amount of reactants means that the higher concentration leads to more collisions and more reactions.
hope it helped :)

Related Questions


In the overall equation for photosynthesis, six molecules of carbon dioxide and six
molecules of water result in a molecule of sugar and six molecules of

Answers

Answer:

Oxygen

Explanation:

Formula for photosynthesis- 6CO2 + 6H2O → C6H12O6 + 6O2

Ella repeated Mendel's second set of experiments. She crossed two non-pure
tall pea plants and produced eight offspring. All of the offspring were tall. She
concluded that her experiment must be flawed.
What is wrong with Ella's reasoning?
A. Ella did not perform enough trials to evaluate the pattern in the
results.
O B. Ella did her experiment correctly. Mendel's experiments must have
been flawed.
C. Ella should have crossed two pure-breeding tall plants.
O
D. Ella did not accurately measure the height of the plants.

Answers

Answer:

A

Explanation:

Ella did not preform enough trials to evaluate the pattern in the results.

Where can Alveoli be found? A. In the cell membrane. B. In the hypothalamus. C. In the liver. D. In the lungs.​

Answers

The answer is D. In the lungs

Which of the following explains why DNA testing is used in the lumber industry?
O to locate the strongest trees for harvesting
O to figure out the species of individual trees
O to help find the best trees to use in breeding
O to determine the source countries of tree products

Answers

Answer:

I think it's the second one

Explanation:

It's probably the second one. Some people don't know how to distinguish different types of trees.

Answer:

to avoid illegal lumber, endangered species and forged certificates

right answer got it right on edg 2021

Answers

Answer:

The answers is corresponding

Explanation:

Nice have a nice day

Answer:

I agree

Explanation:

yes

state the major components of the human respiratory system.​

Answers

Answer:

They are 3 in numbers

Explanation:

which are the airway, the lungs, and the muscles of respiration

There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body's exterior.

when people suffer from chicken box they shed skin when the Pox dries it is recommended by the daughters that the skin shade by the patient should be burnt away and not be directly test why do you think this precaution is mandatory​

Answers

Answer:

because the precaution is skin shade by the patient should be burned away and not be directly test

Answer:

People suffering from chickenpox should not be in sunlight because the skin is more susceptible to heatstroke. The virus stays for a long time in the body, even after the symptoms are gone. Hence, it is recommended to burn it.

Explanation:

Hope this helps... pls vote as brainliest  

possible solution of making new friends at universities​

Answers

Be yourself. No matter which college you go to, there will be people who share your interests and personality. ...
Use the dorm to your advantage. ...
Be interesting. ...
Do extracurriculars. ...
Try to know a little about everything. ...
Find common ground. ...
Eat meals with people. ...
Ask the usual questions.
Make as much friends in the subject class you’re taking as possible.
Ask them about the subject
Sit around them during lunchtime

PLEASE HELP ME!!! I NEED THIS SO I CAN PASS MY CLASS AND I ONLY HAVE TEN MINS LEFT!!!! Comparing the four most common types of power plants in Alberta (coal, natural
gas, wind, and hydroelectric), which has the lowest efficiency in electricity
generation? and why?

Answers

Answer:

wind generated power plants. they have the lowest efficiency because it is not always windy and the wind varies everyday, thus the wind turbines will generate different amounts of electricity each day. They also can be very noisy and cause noise pollution. Wind Plants need good land place and these are mainly found in rural areas far from the city that the electricity is needed.

hey. hope this helps

Which scientific claim can be made? Songbirds numbers will increase due to the effects of climate change increasing global Temperatures

Answers

The scientific statement that can be made is that the imbalance in the food chain happened because of this fact, because the songbirds will harm other living beings by their growth.

What is an imbalance in the food chain?

Ecological imbalance occurs when some element (animal or plant) of an ecosystem is reduced in

quantityadded or subtracted.

This change can give rise to chain reactions and directly affect the functioning of the ecosystem.

With this information, we can conclude that the scientific statement that can be made is that the imbalance in the food chain happened because of this fact, because the songbirds will harm other living beings by their growth.

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describe five advantages of artificial classification​

Answers

Answer:

there it is fella

i guess the hand writing is not that bad

Which of the following items requires an internal
cooking temperature of 165 °F?
a. Pork chops
b. Injected meats
c. Raw Eggs
d. poultry

Answers

Answer and Explanation:

D. Poultry

There are three important temperatures to remember when cooking meat or eggs at home: Eggs and all ground meats must be cooked to 160°F; poultry and fowl to 165°F; and fresh meat steaks, chops and roasts to 145°F.

Answer:

D. poultry

Explanation:

Which list of elements is placed in order from most reactive to least reactive?
A. F, O, N, Ne
B. N, O, Ne, F
C. Ne, F, ON
D. N, Ne, O, F

Answers

A is the answer

The two reactive elements that you should remember are Flourine (F) and Francium (Fr), and only F is first for one answer.

Fertilizer grade is the relative _________ in a bag of fertilizer.

Proportion

Percentage

Grade

Ratio​

Answers

Answer:

proportionhejenrn4nrrh4htj

what is aphids? explain in easy words ​

Answers

They are little soft bodied insect. They suck the plant's nutritious liquid and if they are in large number, they can kill the plants.

Can someone help me with Earth Science, please? I'll really appreciate it.

1. Describe some surface mining methods.

2. What are some ways an area can undergo reclamation after being mined?

3. What makes a gemstone valuable?

4. How is an atom different from an ion? How is an atom different from an element?

5. How is a molecule different from an element? Can a molecule be an element?

6. In which type of bonding are electrons shared? In which are they given or taken? Which type of bond is stronger?

7. What is a crystal?

8. What are the eight major mineral groups?

9. How does the native elements mineral group differ from all of the other mineral groups?

10. Which properties of a mineral describe the way it breaks apart?

11. Apatite scratches the surface of an unknown mineral. Which mineral would you use next to test the mineral’s hardness—fluorite or feldspar? Explain your reasoning.

12. What is the difference between magma and lava?

13. Explain how mineral veins form.

Answers

Answer: 1:There are five recognized types of surface mining, each with specific variations depending on the minerals being extracted. These include strip mining, open-pit mining, mountaintop removal, dredging and highwall mining.

2:Refilled/reshaped w/vegetation planted; filled w/water to become a lake; turned into landfill; left open as home for bats or sealed off if underground.

3:Physical characteristics that make a colored stone valuable are color, clarity to a lesser extent (emeralds will always have a number of inclusions), cut, unusual optical phenomena within the stone such as color zoning (the uneven distribution of coloring within a gem) and asteria (star effects).

4:Atoms where the electrons and protons are not equal are called ions. Ions are charged particles. They can be either positively charged ions or negatively charged ions.

5:Molecule is a substance with two or more atoms bonded together such as the oxygen humans breathe (O2). Elements are pure substances made up of all the same atoms such as gold (Au), hydrogen (H), and oxygen (O). Elements all have the same number of protons in their nuclei and can't be broken down.

6:A covalent bond involves electrons being shared between atoms. The most stable state for an atom occurs when its valence electron shell is full, so atoms form covalent bonds, sharing their valence electrons, so that they achieve a more stable state by filling their valence electron shell.

7:A crystal or crystalline solid is a solid material whose constituents are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

8:How does the native elements mineral group differ from all of the other mineral groups? Native elements contain atoms of only one type of element. Only a small number of minerals are found in this category. Some of the minerals in this group are rare and valuable.

9:How does the native elements mineral group differ from all of the other mineral groups? Native elements contain atoms of only one type of element. Only a small number of minerals are found in this category. Some of the minerals in this group are rare and valuable.

10:Cleavage. The way in which a mineral breaks along smooth flat planes is called cleavage. These breaks occur along planes of weakness in the mineral's structure. However, if a mineral breaks along an irregular surface, it does not have cleavage.

11: I would use fluorite to test the hardness because apatite has a higher hardness then fluorite does mean that the unknow mineral is lower on the hardness test then both apatite and feldspar. 5. Why is streak more reliable than color when identifying a mineral?

12:magma for molten rock that is underground and lava for molten rock that breaks through the Earth's surface.

13:In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock. Veins form when mineral constituents carried by an aqueous solution within the rock mass are deposited through precipitation. The hydraulic flow involved is usually due to hydrothermal circulation.

Explanation:

can mercury diffuse in our body using simple diffusion ?​

Answers

Answer:

No,mercury can't diffuse in our body using simple diffusion.

Explanation:

It is only slowly absorbed through the skin, although it may cause skin and eye irritation. Elemental mercury droplets may be absorbed through eye contact. Ingestion is not an important route of acute exposure as almost no elemental mercury is absorbed through the gastrointestinal tract.

no Mercury is a toxic and non-essential metal in the human body. Mercury is ubiquitously distributed in the environment, present in natural products, and exists extensively in items encountered in daily life. There are three forms of mercury, i.e., elemental (or metallic) mercury, inorganic mercury compounds, and organic mercury compounds.

besides sugar, what other ingredients that can be used as the substrate for yeast fermentation?

can anyone help me w this question?​

Answers

Answer:

In addition to oxygen, they require a basic substrate such as sugar. Some yeasts can ferment sugars to alcohol and carbon dioxide in the absence of air ...

In addition to oxygen gas, for the fermentation the basic substrate such as sugar is required. Some yeasts are required that can ferment sugars to alcohol and carbon dioxide in the absence of air.

What is Fermentation?

Fermentation is the process in which a substance is broken down into a simpler substance. Fermentation is the metabolic process through which organic molecules such as carbohydrates, such as starch or a sugar are converted into acids, gases, or different types of alcohols in the absence of oxygen or any other type of electron transport chain.

Yeasts are the organisms which preferentially metabolize sugars that are converted principally to ethanol molecule and carbon dioxide gas, however they can utilize different carbon sources, such as amino acids, organic acids, polyols, alcohols, fatty acids, and other organic compounds, depending on the species which undergo metabolic reaction.

Learn more about Fermentation here:

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Which process involves glucose reacting with oxygen to produce energy, carbon dioxide, and water?

Answers

Answer:

Respiration...................

Which is an important source of carbon monoxide emissions that contributes to the greenhouse effect?


landfills


wetlands


vehicles


greenhouses

Answers

It is vehicle.
Explanation- I don’t know lol
It’s the vehicles because of the gas in the air and when the car is moving smoke and then it can cause pollution to the air and it would be bad

Hormones are chemical molecules produced by glands. Vasopressin is a hormone secreted by the cells of the hypothalamus, a part of the brain. The hormone regulates homeostasis through its effect on the kidney cells. Which statement is true based on this information?

Answers

Answer:

Hormones are chemical molecules produced by glands is true

Answer:

Hormones are chemical molecules produced by glands.

Explanation:

TRUE

en que favorece la adaptación a la biodiversidad?

Answers

Answer:

i do not understand but if you translate to English

id be happy to help gracias

Explanation:

This Roman snail, this cuttlefish, and this mussel have similarities and differences in their body structures. What does the information about these structures tell you about the ancestors of these species

Answers

Complete question:

This Roman snail, this cuttlefish, and this mussel have similarities and

differences in their body structures. What does the information about these

structures tell you about the ancestors of these species?

a) None share an ancestor population because different species cannot share  an ancestor population. It is a coincidence that these species have some of  the same body structures.

b) The Roman snail and the cuttlefish share an ancestor population, but they  must not share an ancestor with mussels because mussels have no radula.

c) All three species share an ancestor population, but Roman snails and

cuttlefish share a more recent ancestor population. This is why they share

the radula structure.

d) We cannot make observations of ancestor populations from the past. It is

impossible to explain ancestors with only the information about the body

structures of different species.

Answer:

The correct answer is option C. All three species share an ancestor population, but Roman snails and  cuttlefish share a more recent ancestor population. This is why they share  the radula structure.

Explanation:

The three species belong to the mollusk phylum, and to the placophore group.

Each of them belongs to a different class.

The Roman snail belongs to the Gasteropod class, The cuttlefish belongs to the Cephalopod class, The mussel belongs to the Bivalve class.

The tree classes share a common ancestor from which all the placophores evolved. Among them, we can mention the monoplacophore, gasteropod, cephalopod, bivalve, and scaphopods. Three branches diverged from this common ancestor. The first one originated the monoplacophore. The second one originated the common ancestor of gastropods and cephalopods. And the third one originated the common ancestor of bivalves and scaphopods. The tree-mentioned species inherited the mantle and the radula from their foreign common ancestor. But later in time, individuals that originated bivalves lost the radulla. This is why the three species have a mantle, but only gastropods and cephalopods have a radula. When each of these classes evolved, they developed their own traits,

Gastropods → muscular foot used for moving  Cephalopods → pallial cavity for swimmingBivalves → byssal threads to attach to the rocks

You will find an image in the attached files that will help you understand this explanation.      

A diagram illustrates that grass is eaten by insects, birds, and mice. The insects are eaten by hawks, snakes, and toads. The birds and mice are eaten by foxes, hawks, and snakes. The toad is also eaten by the snake. Which best describes the diagram?
pyramid
food chain grid
food web
trophic level

Answers

Answer:

Food web

Explanation:

food web:

a system of interlocking and interdependent food chains.

Answer:

food web

Explanation:

food web consists of all the food chains in a single ecosystem. Each living thing in an ecosystem is part of multiple food chains.

2. Green plants produce ............. during photosynthesis. Answer​

Answers

i dunno i think its carbon dioxide or oxygen

Plants create sugar and oxygen during photosynthesis. The cells of a plant use carbon dioxide and the sun to create these things.

helpppppppjtyjyf fdfdfd

Answers

Bobs is the answer I found it on ege

Answer:::

Explanation:

a scientist begins working by trying to explain a natural occurence that is...
1. consistent
2. observable
3. In a lab
4. undetectable​

Answers

Answer:

Observable

Explanation:

An observable phenomenon leads to an hypothesis.

Answer:

2. observable

Explanation:

The scientific method relies on a scientist being able to study an occurrence and understand it. So, all the occurrences must be observable; otherwise, they cannot be studied. If the patterns are observable then one can follow the scientific method and experiment with the different variables. All science depends on the observable world and the people that study it.

Why mitochondria is the Power House of the cell??​

Answers

Mark Brainliest please

Answer : It is called the powerhouse because they burn and break the chemical bonds of glucose to release energy to do work in a cell.

Explanation:

Mitochondria have been described as "the powerhouses of the cell" because they generate most of a cell's supply of chemical energy. ... Mitochondria are the powerhouses inside eukaryotic cells, the type of complicated cell that makes up people, other critters and plants and fungi.

Maintaining a rich variety of genetic material that may lead to discoveries useful to juman can be ensured by?

Answers

Answer:

Maintaining a rich variety of genetic material that can lead to discoveries useful for humans can be ensured by preserving biodiversity. Explanation: Options for this question are: Preserving biodiversity .

Hope this is fine for you

what does the muscular system do for the stomach

Answers

Answer:

it helps digest the food and push the food down the gut track

Explanation:

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