In a sunny day, the plant makes use of water through photosynthesis and transpiration.
What is photosynthesis?Photosynthesis is defined as the process by which green plants, which has chlorophyll, makes use of water and carbondioxide in the presence of sunlight as energy to form oxygen and glucose.
Transpiration is the movement is of water out of the plant through its pores located on the leaves, roots and stem. This process is increased in sunny seasons.
Therefore, In a sunny day, the plant makes use of water through photosynthesis and transpiration.
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Answer:
in transpiration, because some of its properties change, water undergoes a physical change but keeps its identity. In photosynthesis, because its identity changes, water undergoes a chemical change.
Explanation:
what is 24, 600μg into grams
Answer:
Your answer is 0.024Grams
Explanation:
PLEASE RETURN THE FAVOR!!! I HAVE ONE MINUITE PLEASE!! SOLVE MY QUESTION
Which of the following statements holds true for a chemical change?
A.
In a chemical change, no new substance is formed.
B.
In a chemical change, a substance changes its phase.
C.
In a chemical change, the molecular structure of a substance changes.
D.
In a chemical change, one substance dissolves into another.
PLEASE HELP
which anode-carhoden combination would NOT produce a voltaic cell with high voltage?
Ca Ni
AI Cu
Au H
Li Fe
Answer:
The correct answer is Au, H
(Took the exam)
1. On a train ride cross-country, the trees, buildings, and people appear to be speeding by the window. This is because the train is our _____
2. Scientists use the ______
system for making measurements.
3. Physical science studies the relationships between ____,____,
and ______.
4. If 6.6 tyrannosaurs weigh 30,000 kg, then what does one tyrannosaur weigh?
5. For most activities, the ___
makes a handy frame of reference.
On a train ride cross-country, the trees, buildings, and people appear to be speeding by the window. This is because the train is moving in the forward direction.
Scientists use the shared system for making measurements. This system is also called system of international.
Physical science studies the relationships between natural but non-living objects. Physical science is ordinarily thought of as consisting of four broad areas: astronomy, physics, chemistry, and the Earth sciences.
If 6.6 tyrannosaurs weigh 30,000 kg, then one tyrannosaur weigh about 4545 kg. For most activities, the earth makes a handy frame of reference.
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The graph below shows how the temperature and volume of a gas vary when
the number of moles and the pressure of the gas are held constant. How can
the volume of the gas in a sealed container be decreased if the pressure is
constant?
T
A. By letting the gas diffuse over time
B. By lowering the temperature
C. By raising the temperature
D. By letting the gas effuse over time
The volume of the gas in a sealed container would be decreased at constant pressure: C. by raising the temperature.
What is Charles law?Charles law states that when the pressure of an ideal gas is kept constant, the volume of a gas is directly proportional to the absolute temperature of the gas.
This ultimately implies that, the volume of a gas decreases at constant pressure when its temperature is decreased and vice-versa.
In conclusion, we can infer and logically deduce that the volume of the gas in a sealed container would be decreased at constant pressure by raising the temperature in accordance with Charles law.
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Convert molecules of vitamin d (molar mass 384.7 g/mol) to grams of vitamin d.
The 6.023 * 10²³ molecule means 384.7 grams of Vitamin D.
What is a mole ?A mole is a universal unit used to measure large number of atoms , molecules of an element.
one mole is equal to the Avogadro's Constant.
Mole is equal to the ratio of the mass of a compound to its molecular weight
It is given that Vitamin D is present
no. of molecule = 6.023 * 10²³
6.023 * 10²³ molecule constitutes of 1 mol
1 mole is equal to the molar mass of a compound/ element
Therefore 1 mole = 384.7grams of Vitamin D
and hence 6.023 * 10²³ molecule means 384.7 grams of Vitamin D.
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A student put a bottle of water and a can of sugared soda in the freezer to chill them quickly. when she took them out, the bottle of water was frozen but the can of soda was not. explain why this happened.
The soda water didn't freeze because of the depression in freezing point as compared to the water.
What is Freezing Point Depression ?When a solute is added to a pure solvent , then the value of freezing point is reduced.
The decrease in the freezing point is directly proportional to the molality of the solute.
It is given in the question that
A student put a bottle of water and a can of sugared soda in the freezer to chill them quickly.
when she took them out, the bottle of water was frozen but the can of soda was not.
It is because water is the pure solvent , so freezing point is fixed but the soda water has sugar and Carbon Di oxide along with the solvent water , the presence of the sugar and Carbon -di-oxide decreases the freezing point of the soda water and so it doesn't freezes.
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Complete the chemical equation for the reaction of iron with chlorine
…………Fe + …………. Cl2 -……………….FeCl3
Answer:
I believe that the answer is 2 Fe + 3 Cl2 ---> 2 FeCl3.
Explanation:
You balance the equation by doing this...
FE= 1x2=2 FE= 1x2=2
CL= 2x3=6 CL+2x3=6
Hope this helps! :)
What is the molarity of a solution that is composed of 2.00 moles of potassium iodide dissolved in 4 l of water
Answer:
0.5 M
Explanation:
molarity = (moles of solute)/(liters of solution)
molarity = 2.00/4 = 0.5 M
Emmett is lifting a box vertically. Which forces are necessary for calculating the total force?
Fp, Ff, and Fg
Fp and FN
Fp, FN, and Ff
Fp and Fg
Emmett is lifting a box vertically. The forces that are necessary for calculating the total force is Fp and Fg. The correct option is D.
What is force?Force is an influence or strength that is used to initiate an action or movement. There are total eight types of forces are present.
Fp is the applied force and Fg is the force of gravitation, if Emmett is lifting a box vertically, these force will be applied
Thus, the correct option is D, Fp and Fg.
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Answer:
D
Explanation:
Edge 2022
2Mg + O2 --> 2MgO
write down the name and the chemical formula of the product, which formed during the reaction
Name of product:
Chemical formula product:
Answer:
Name of product:
magnesium oxide/magnesia
chemical formula:
MgO
A chemical reaction can be reversed if?
The energy of the products exceeds the activation energy threshold.
The energy of the reactants exceeds the activation energy threshold.
The energy of the products is less than the activation energy threshold.
The energy of the reactants is less than the activation energy threshold.
Chemical reaction can be reversed if the energy of the reactants is less than the activation energy threshold.
What is a reversible reaction?A reversible reaction is a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously.
Conditions for reversible reactionIn equilibrium reaction, the activation energy of the forward reaction is more than that of backward reaction which causes bond breakage of the reactants.
Activation energy = (Threshold energy) - (Internal energy of the reactants)
Thus, a chemical reaction can be reversed if the energy of the reactants is less than the activation energy threshold.
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What was one strategy radical republicans used to achieve their goals for
reconstruction?
a. opposing any proposals to amend the u.s. constitution
b. offering to let southern states easily rejoin the united states
c. using the military to protect african american voting rights
d. removing andrew johnson from office through impeachment
submit
Using the military as a tool was what the radical republicans used to achieve their aim of reconstruction.
What is Reconstruction?This was an event which occurred after the American Civil War in which all the chaos were taken care of and normalcy restored to the country.
The radical republicans ensured rights of the people such as voting were protected through the use of the military force and makes option C the correct choice.
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One of the strategy radical republicans used to achieve their goals for reconstruction using the military to protect african american voting rights. That is option C.
What is the radical republican plan?The radical republican plan was the plan set out by the republicans to re-empowers the Freedman's Bureau and set reform efforts in motion that will lead to the 14th and 15th Amendments.
The strategy used by radical republicans include:
They wanted to break the power of wealthy planters who had long ruled the South. They wanted to ensure that freedmen received the right to vote. They used legislative reforms, or changes in laws, to achieve their goals.Therefore, one of the strategy radical republicans used to achieve their goals for reconstruction using the military to protect african american voting rights.
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help help help help help help
The exercise requires you to complete the sentences using the drop down. The complete sentences are given below.
Which step in the design process is represented by each of the following?The topic that was chosen because many students experienced cracked cell phone screens is: Protecting Cell Phones;Discussing ideas for possible cell phone cases: Phones that are durable;Writing down their list of requirements needed to make the phone case: Colorful and funky.Learn more about completing sentences at:
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Gold (Au) should have an electron notation that ends in 6s24f145d9. To become more stable, the electrons in reality rearrange themselves. How do they do it
The electrons rearrange themselves to ensure that orbitals at lower energy levels are first filled before those at higher energy levels.
Electronic configurationOne of the rules of electronic configuration states that lower energy level orbitals are first filled with electrons before higher energy level orbitals.
Thus, the electrons in Gold will rearrange themselves to obey the above rule in order to achieve more stability.
Hence, the electronic configuration becomes: [tex]4f^{14}, 5d^{10} ,6s^1[/tex]
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In the photo
Pls pls pls pls pls pls pls pls pls pls
The correct answers are Potential and Kinetic energy.
What are potential energy and examples?An object can store energy as a result of its position. For example, the heavy ball of a demolition machine is storing energy when it is held at an elevated position. This stored energy of position is referred to as potential energy. Similarly, a drawn bow is able to store energy as a result of its position.
What is kinetic energy?Kinetic energy is a form of energy that an object or a particle has by reason of its motion. If work, which transfers energy, is done on an object by applying a net force, the object speeds up and thereby gains kinetic energy.
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HELP 15 POINTS!! In canoeing, you paddle backward to go forward. Canoeing can be explained by Newton's third law that says ______________.
Explanation:
Newtons third law states for every action (force) in nature there is an equal and opposite reaction
Generally speaking, which group would have the lowest electronegativity values in a period?.
Answer:
Group 1
Explanation:
The alkali metals would do anything to lose their one electron and become a cation with a plus 1 charge. They basically have the lowest electronegativity values.
The chart above shows the relationship between the first ionization energy and the increase in atomic number. The letter on the chart for the alkali family of elements is
A. W
B. X
C. Z
D. Y
Question 1 of 5
Which two substances are products of the chemical reactions of cellular
respiration?
A. Oxygen
B. Carbon dioxide
C. Sugar
D. Water
SUBMIT
Answer:
Oxygen and sugar
Explanation:
Hope this helps! Please give branliest.
What volume of a 0.252 M hydroiodic acid solution is required to neutralize 18.0 mL of a 0.151 M barium hydroxide solution
Answer: 10.8 M
Explanation:
[tex]M_{A}V_{A}=M_{B}V_{B}\\(0.252)V_{A}=(18.0)(0.151)\\V_{A}=\frac{(18.0)(0.151)}{(0.252)} \approx \boxed{10.8 \text{ M}}[/tex]
how much liquid is needed to prepare 629.5ml of a solution that has a new concentration of 14.3m if the stock solution is 25.2m?
Answer:
Right if you think it is.
Express this number in scientific notation.
31,000,000,000
Answer:
3.1 x 10^10
Explanation:
there are 9 zeroes, so the quick way is too just add a one to the 9 and you get 10, so that is your power.
14.americium- 241 is widely used in smoke detectors. the radiation released by this element ionizes particles that are then detected by a charged particle collector. the half-life of am-241 is 432.2 years, and it decays by emitting alpha particles. how many alpha particles are emitted each second by a 5.00 g sample of am-241
Hence, 5.1 * 10^-11 alpha particles is being emitted each second by the sample.
What is half life?The term half life is the time taken for only half of the original amount of radioactive nuclides to remain.
Thus, we have that the half life is 432.2 years or 1.36 * 10^10 s.
k = 0.693/ 1.36 * 10^10 s
k = 5.1 * 10^-11 alpha particles per second.
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What happens to the particles in hot water when it cools down
Answer:
its particles slow down and come closer together.
how many neutrons does the isotope lithium have
A.) 3
B.) 5
C.) 8
D.) 4
Lead(II) chromate, PbCrO4, is a yellow paint pigment (called chrome yellow) prepared by a precipitation reaction. In a preparation, 52.5 g of lead(II) chromate is obtained as a precipitate. How many moles of PbCrO4 is this
Answer:
n = 0.1624 moles
Explanation:
[tex]n=\frac{m}{M} \\n=\frac{52.5}{323.1937} \\n= 0.1624 mol[/tex]
A container contains three gasses, N2, O2 and Ar, with partial pressures of 23.3 kPa, 40.9 kPa and 13.7 kPa respectively. What is the total pressure inside the container
A small, positively charged ball is moved close to a large, positively charged ball. Which describes how the small ball likely responds when it is released?
Answer:
It is repelled ( pushed away from the larger ball)
Explanation:
Like charges repel.
Opposites attract.
Which word equation shows hydrogen reacting with oxygen to form water?
oxygen + water → hydrogen
hydrogen + oxygen → water
oxygen + water hydrogen + water
→
Ohydrogen + water →→ oxygen
Answer:
calcule o PH e POH de 2,625g de HCLO em 2000cm3 (cl=35,5)
Explanation:
The word chemical equation which hydrogen reacting with oxygen to form water is hydrogen + oxygen → water.
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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