Answer:
The answer is True hope this helps
what is an invasive species and how can it affect an ecosystem
Answer:
Here
Explanation:
An invasive species is an organism that causes ecological or economic harm in a new environment where it is not native. ... Invasive species are capable of causing extinctions of native plants and animals, reducing biodiversity, competing with native organisms for limited resources, and altering habitats.
PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEEE
Which state of matter consists of particles that are close together in a random pattern?
Gas
Liquid
Plasma
Solid
Answer: The answer is liquid
Explanation:
The state of matter consists of particles that are close together in a random pattern is liquid . Hence , Option (B) is correct.
What is States of matter ?
When energy is added or removed to matter, it changes state to form a state of matter.
A state of matter is defined as one of the ways in which matter can interact with itself to form a homogeneous phase.
Therefore , The state of matter consists of particles that are close together in a random pattern is liquid . Hence , Option (B) is correct.
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PLZZZZZZZZ HELP How many moles of nitrogen gas are in a 10.0 L container at STP?
22.4 moles
10.0 moles
6.02×1023 moles
0.45 moles
Answer:
0.45 moles
Explanation:
1 mole of gas at s.t.p gives 22.4dm3 when converted to litre it will be 22.4l/ x mole of N2 will give 10.0l the answer is equal to 0.45mole
What is the oxidation state of Br?
O A. -7
O B. +1
O c. +7
O D. -1
WILL GIVE BRAINLIEST!!!!
Any type or form of energy can change into any other type of energy. This is referred to as _____.
A. energy transformations
B. law of conservation of mass
C. law of conservation of energy
D. mechanical energy
Answer:
C
Explanation:
The Law of Conservation of energy is that energy can be transformed from one form to another, but can be neither created or destroyed.
helppp nowwww plsss!!!
Answer:
it is D
Explanation:
A tree for one is a renewable resource, but. It said "farmed trees" therefore the best way to farm trees it well, to farm them. But to sustainably farm them you would need to replace what you destroyed to be able to keep farming in the future.
Answer:
New trees are planted to replace those that are cut down is the correct answer.
have a nice day! (^o^)
This is my question.............
Answer:
-3.15 °Celsius I think.
Answer:
-3 C
Explanation:
What are the two cell division stages in the mitotic phase of the cell cycle?
Someone help with these questions??
Answer:
2) true 3)I think I A and there you go
2. How many grams are in 19 moles of N2?
Answer:
532.2546
Explanation:
if i ask how many grams Are in a mole of N2 it would be 28.0134 grams and your asking 19 so 28.0134 x 19 would be 532.2546 grams
If 2.5 moles of sulfur dioxide are created, how many moles of oxygen are necessary?
How many grams of 02 will be formed from 6.5 moles of KCLO3
Answer:
312 g of O₂
Explanation:
We'll begin by writing the balanced equation for the reaction. This is illustrated below:
2KClO₃ —> 2KCl + 3O₂
From the balanced equation above,
2 mole of KClO₃ decomposed to 3 moles of O₂.
Next, we shall determine the number of mole of O₂ produced by the reaction of 6.5 moles of KClO₃. This can be obtained as follow:
From the balanced equation above,
2 mole of KClO₃ decomposed to 3 moles of O₂.
Therefore, 6.5 moles of KClO₃ will decompose to produce = (6.5 × 3)/2 = 9.75 moles of O₂.
Finally, we shall determine the mass of 9.75 moles of O₂. This can be obtained as follow:
Mole of O₂ = 9.75 moles
Molar mass of O₂ = 2 × 16 = 32 g/mol
Mass of O₂ =?
Mole = mass / Molar mass
9.75 = Mass of O₂ / 32
Cross multiply
Mass of O₂ = 9.75 × 32
Mass of O₂ = 312 g
Thus, 312 g of O₂ were obtained from the reaction.
Answer:
3.1 × 10² g
Explanation:
Step 1: Write the balanced decomposition reaction
KClO₃ ⇒ KCl + 1.5 O₂
Step 2: Calculate the moles of O₂ formed from 6.5 moles of KClO₃
The molar ratio of KClO₃ to O₂ is 1:1.5.
6.5 mol KClO₃ × 1.5 mol O₂/1 mol KClO₃ = 9.8 mol O₂
Step 3: Calculate the mass corresponding to 9.8 moles of O₂
The molar mass of O₂ is 32.00 g/mol.
9.8 mol × 32.00 g/mol = 3.1 × 10² g
What is the Empirical Formula when the Molecular Formula is Sb17Br21
Difference Between Empirical and Molecular Formulas. The key difference between empirical and molecular formulas is that an empirical formula only gives the simplest ratio of atoms whereas a molecular formula gives the exact number of each atom in a molecule. In chemistry, we often use symbols to identify elements and molecules.
Hope I helped :)
The Coriolis effect is the deflection of winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere because of Earth's rotation. Lesson 2.09 True False
Answer:
True
Explanation:
The Coriolis effect is the deflection of winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere because of Earth's rotation. This statement is true.
What is Coriolis effect ?Circulating air is deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere as the Earth rotates on its axis. The Coriolis effect refers to this deflection.
Because of the rotation of the Earth, we experience an apparent force known as the Coriolis force. The wind is deflected to the right in the northern hemisphere and to the left in the southern hemisphere as a result of this.
There is no curving of the object's path as measured relative to the Earth's surface because there is no turning of the Earth's surface underneath a horizontally and freely moving object at the equator.
Thus, There is no Coriolis effect because the object's path is straight.
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can someone please help me!
Answer:
Explanation:
C defo
the the largest four digit number 3629
Answer:
9999
Explanation:
If you do 10,000 that would be too much
What is the capillary rise of ethanol in a glass tube with a 0.1 mm radius if the surface tension of ethanol is 0.032Jm2 and the density of ethanol is 0.71gcm3
Answer:
Explanation:
Expression for capillary rise is as follows
h = 2T / ρ g r where T is surface tension , ρ is density of liquid and r is radius of capillary tube.
T = .032 J m⁻²
ρ = .71 g / cm³
= 7100 kg / m³
r = .1 x 10⁻³ m = 10⁻⁴ m
h = 2 x .032 / (7100 x 9.8 x 10⁻⁴ )
h = .0092 m
= 9.2 mm .
Name of SiO3? Please hurry lol
Which of the following BEST supports the Big bang theory of the origin of the universe?
Answer: first one
Explanation:
Please help with this problem!!! ASAP!
Answer:
2.94 × 10²⁴ molecules
Explanation:
Step 1: Given data
Volume of acetone (V): 360 mL (360 cm³)
Density of acetone (ρ): 0.788 g/cm³
Step 2: Calculate the mass of acetone (m)
Density is equal to the mass of acetone divided its volume.
ρ = m/V
m = ρ × V
m = 0.788 g/cm³ × 360 cm³ = 284 g
Step 3: Calculate the moles corresponding to 284 g of acetone
The molar mass of acetone is 58.08 g/mol.
284 g × 1 mol/58.08 g = 4.89 mol
Step 4: Calculate the number of molecules in 4.89 moles of acetone
We will use Avogadro's number: there are 6.02 × 10²³ molecules of acetone in 1 mole of molecules of acetone.
4.89 mol × 6.02 × 10²³ molecules/1 mol = 2.94 × 10²⁴ molecules
1.The splitting of a heavy, unstable nucleus into two lighter nuclei is called _____.
a. Fission
b. Fusion
c. Radioactive Decay
d. Isotopes
Answer:
A) Fission
Explanation:
Fission is the splitting of a heavy, unstable nucleus into two lighter nuclei, and fusion is the process where two light nuclei combine together releasing vast amounts of energy.
In what state of matter is the substance in at 200 C and 30 atm
2) write down two examples of mixtures
and state their use in daily life.
Answer:
first example is. Air it is mixture of many
gases
it's us it keeps us alive and many more uses
second example is water is also a mixture
made up of carbon and hydrogen
and its uses is to fulfill our needs
hope it helps
why the enzyme function varies with substrate concentration before the catalase concentration was saturated with hydrogen peroxide.
Answer:The rate of enzyme reaction increases with increase in substrate concentration. Upon saturation of active site of the enzyme with the substrate, there will be no effect on the rate of reaction.
Explanation:
Enzymes are protein molecules secreted by special cells in a living organism. They are organic catalysts responsible for the metabolic reactions that take place in living organisms. Thus, glycolysis, synthesis of proteins and photosynthesis are mediated by numerous enzymes.
Also, enzymes may be classified according to the type of reaction they catalyze. They include: oxidoreductases, transferases, hydrolases, lyases, isomerases, ligases, and translocases.
From the question, catalase enzyme is a type of oxidoreductase enzyme that catalyzes the decomposition of hydrogen peroxide (substrate) into water and molecular oxygen.
The regions on the enzyme into which the substrate molecules fit are known as the ACTIVE SITES of the enzyme.
Substrate concentration is one of the factors that affect enzyme rate of reaction. The enzyme function varies with substrate concentration because the rate of enzyme reaction increases with increase in substrate concentration. Upon saturation of ACTIVE SITE of the enzyme with the substrate, there will be no effect on the rate of reaction.
1. Is the charge of nucleus positive, negative
or neutral?
What about the charge of an atom?
Answer:
nucleus contains protons and atom is neutral
Explanation:
as atom contains equal amount of protons and electrons
Help me please TwT. I really need it TwT
Answer:
The air moves to the low pressure system creating wind.
Hope this helps! :)
What information does an energy diagram give?
A. It shows the transfer of potential energy to kinetic energy.
B. It shows how concentrations of reactants affect the energy.
C. It shows the rate of the reaction as a function of time.
D. It shows the energy requirements needed in order for a reaction to
occur.
The information from diagram shows the energy requirements needed in order for a reaction to
occur.
What is Collision theory?The collision theory states that each and every chemical reaction can occur between particles when the molecules collide each other.
The collision between particles is necessary but it is not sufficient for a reaction to take place. The collisions must be effective.
It is necessary to know the exact nature of an effective collision since this indicates whether particles react with each other and form new products.
According to collision theory, the reaction occur when molecules collide and molecules have sufficient activation energy to cross energy barrier.
Greater the energy, greater will be number of collision. Lesser energy, lesser will be number of collision.
Thus, the given energy diagram shows about the energy required for a reaction to take place.
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Answer: D) it shows the energy requirements needed in order for a reaction to occur.
10. A tracer is a radioactive element whose pathway through which a chemical reaction can be followed. Tracers are commonly used in the medical field and in the study of plants and animals. Radioactive Iodine-131(I131) can be used to study the function of the _____ gland assisting in detecting disease.
a. Adrenal
b. Salivary
c. Pituitary
d. Thyroid
S someone help please!!!!
Answer:
4) south 5) true Explanation:
define and explain sublimation and name the substance that sublime directly on heating
Answer:
Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state. ... So, all solids that possess an appreciable vapour pressure at a certain temperature usually can sublime in air (e.g. water ice just below 0 °C).
I hope it's helpful!