Photosynthesis is that plant process is affected most during this darkness because photosynthesis only occurs when there is sunlight.
What is photosynthesis?Photosynthesis is a process in which water and carbondioxide combine in the presence of sunlight and produce glucose and oxygen. We know that Photosynthesis occurs only at daytime.
So we can conclude that Photosynthesis is affected during this darkness because photosynthesis only occurs when there is sunlight.
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How can knowing that something is
“matter" help you to identify a substance?
Answer:
knowing that something is a matter help you identify whether a substance is either solid, liquid or gas
Explanation:
knowing that a certain substance falls under the three groups is important. solid has a fixed volume, shape and mass, but cannot be compressed and cannot flow, liquid has a fixed volume but no fixed shape, cannot be compressed but can glow, gas has no fixed shape, no fixed volume, can be compressed and can flow
For long-term storage of microbes that will be may be revived and grown later, what temperatures are best?
above 70 °C
between -2 and 4 °C
between -10 to -20 °C
below -70 °C
See image for question
Answer:
the energy produced as part of the reaction and balancing the equation accounts for the energy produced
Determine the wavelength, in meters, of a wave that has a frequency of 1.25 x 1020 Hz.
And what type of wave/ray is it?
Answer:
Frequency of wave is given 1.25 × 10²⁰ Hz
We have been asked to determine the wavelength of that wave ( in metres) .
We Know the speed of light in air/vacuum is
c = 3 × 10⁸ m/s
❍[tex]\\{\underline{\boxed{\green{\bf{f = \dfrac{c}{ \lambda} }}}}}[/tex]
Put the value we obtain
[tex]\sf \implies \: 1.25 \times {10}^{20} = \dfrac{3 \times {10}^{8} }{ \lambda} \\ \\ \sf \implies \lambda \: = \dfrac{3 \times {10}^{8} }{1.25 \times {10}^{20} } \\ \\ \sf \implies \lambda = \dfrac{3}{1.25 \times {10}^{12} } \\ \\ \sf\implies \lambda = 2.4 \times {10}^{ - 12} m [/tex]
So, the wavelength of the wave is 2.4 × 10⁻¹² m
It would be Gamma Ray .
3. A reaction produces 14.2 grams of a product. The theoretical yield of that product
is 17.1 grams. Which of the statements are true? Select 2 that apply. (1 mark)
A. The percent yield of the product is 14.2%.
B. The percent yield of the product is 17.1%.
C. The percent yield of the product is 83.0%.
D. The percent yield of the product is 120.0%.
E. The actual yield of the product is 14.2 grams.
F. The actual yield of the product is 17.1 grams.
A reaction that produces 14.2 grams of a product and the theoretical yield of that product is 17.1 grams is true for the following statements :
The percent yield of the product is 83.0%
The actual yield of the product is 14.2 grams.
Percentage Yield:Percent yield is the percent ratio of actual yield to the theoretical yield.
Mathematically,
percent yield = actual yield / theoretical yield x 100%
actual yield = 14.2 grams
theoretical yield = 17.1 grams
percentage yield = 14.2 / 17.1 × 100%
percentage yield = 83.0409356725 %
percentage yield = 83.0 %
Therefore,
The percent yield of the product is 83.0%
The actual yield of the product is 14.2 grams.
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Using the line spectra below and information from the previous activity, determine which subatomic particles play the biggest role in determining the color of an atom
Sample 1 (Li-1-10):
Sample 2 (C-13):
Sample 3 (C+2-18):
Sample 4 (C-1-13):
Sample 5 (Ne-2-18):
Sample 6 (Ne+3-17):
Answer to activity question:
Justification:
Answer:
1(li_2_10)
li_1-10.
1_10:9
Question :-
who invited vaccination?
Answer:
Edward Jenner
Explanation:
In 1796, he tested a vaccine on a boy with cowpox and he became immune to smallpox.
What volume in Liters of a solution could be prepared if you wanted to have a 10M solution using 5 moles of solute?
A. 1.0L of solution
B. 2.0L of solution
C. 10.0L of solution
D. 0.5L of solution
This problem is providing us with both the concentration and moles of a solute and asks for the volume in liters. At the end, the answer turns out to be 0.5 L according to the following.
MolarityIn chemistry, units of concentration are used to represent the relative amounts of both solute and solvent in different units. In this case, we refer to molarity due to the relationship between the moles of solute and the volume of solution as follows:
[tex]M=\frac{n}{V}[/tex]
Thus, having both the concentration and moles, 10 M and 5 moles respectively, one can obtain the following volume after solving for it:
[tex]V=\frac{n}{M} =\frac{5mol}{0.5 mol/L}\\\\V=0.5 L[/tex]
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5 x 10^4 ÷ 2.5 x 10^2 =
a
2 x 10^2
b
12.5 x 10^2
c
.5 x 10^6
d
5 x 10^6
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[tex] \frac{5 \times {10}^{4} }{2.5 \times {10}^{2} } = 2 \times {10}^{2} \\ [/tex]
So the correct answer is (( a )) .
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!Please answer! Sort the chemical reactions based on whether they absorb or release energy
respiration in cells
producing electric current
photosynthesis
burning a candle
baking bread
activating a cold pack
Answer:
Releases Energy; burning a candle, producing electric current, and respiration in cells.
Absorbs Energy; activating a cold pack, baking bread, and photosynthesis.
Explanation:
Burning a candle releases heat energy into the surrounding area. The respiration process in cells does not produce any energy, so it must release it. Activating a cold pack absorbs energy in order to activate. Baking bread absorbs heat when baking, it releases it when cooling. Photosynthesis absorbs energy at the beginning of the process before releasing/using it.
This is 100% Correct, I checked this by taking the test and attached the image.
Potassium sorbate, KC6H7O2 is commonly added to diet soft drinks as a preservative. A stock solution of KC6H7O2 (aq) of known concentration must be prepared. A student titrates 45.00 mL of the stock solution with 1.25 M HCl (aq) using both an indicator and a pH meter. The value of Ka for sorbic acid, HC6H7O2 is 1.7x10-5. Write the net-ionic equation for the reaction between KC6H7O2 and HC
The net ionic equation for the reaction between KC₆H₇O₂ and HCl is:
C₆H₇O₂⁻(aq) + H⁺(aq) ⇒ HC₆H₇O₂(aq)
What is a net ionic equation?The net ionic equation is a chemical equation for a reaction that lists only those species participating in the reaction.
Step 1: Write the molecular equation between KC₆H₇O₂ and HCl.KC₆H₇O₂(aq) + HCl(aq) ⇒ HC₆H₇O₂(aq) + KCl(aq)
Step 2: Write the complete ionic equation.HC₆H₇O₂ is a weak acid so we will write it in the molecular form.
K⁺(aq) + C₆H₇O₂⁻(aq) + H⁺(aq) + Cl⁻(aq) ⇒ HC₆H₇O₂(aq) + K⁺(aq) + Cl⁻(aq)
Step 3: Write the net ionic equation.We will not include spectator ions.
C₆H₇O₂⁻(aq) + H⁺(aq) ⇒ HC₆H₇O₂(aq)
The net ionic equation for the reaction between KC₆H₇O₂ and HCl is:
C₆H₇O₂⁻(aq) + H⁺(aq) ⇒ HC₆H₇O₂(aq)
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Why is the boiling point of 2 M NaCl solution higher than the boiling point of 1 M of NaCI solution?
Answer:
The fist option is correct
Explanation:
2 molecules of water have relatively large intermolecular force than a single molecule
1. Heat and pressure deep beneath Earth's surface can change any rock into
chemical rock
gemstone
metamorphic rock
sedimentary rock
Abbreviation of liter
Answer:
LTR
Explanation:
Answer:
The Abbreviation of liter is< ltr
Explanation:
How does the position of an element on the periodic table allow you to determine if the element is a metal or non-metal?
Answer:
a jagged black line along the right side of the table separates the metals from the nonmetals. The metals are to the left of the line, the nonmetals are to the right of the line, and the elements immediately next to the line are the metalloids.
Explanation:
The electronic configuration helps to determine if the element is a metal or non-metal.
What is electronic configuration?Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
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#SPJ3
When the brakes are applied in a moving car, the car's kinetic energy
O A. transforms back into chemical potential energy.
O B. transforms into heat due to friction in the brake pads and with the road.
O c. remains the same, but the car's potential energy increases.
OD. increases until the car comes to a stop.
Answer:B
Explanation:There you go
WILL MARK BRAINLIEST Which statement describes the influence of latitude on temperature?
Latitude determines the duration of daylight.
Latitude prevents extreme heat and cold in coastal regions.
Latitude causes areas to experience cooler air at high elevations.
Latitude influences the movement of warm and cool air over land.
Answer:
The Answer is A!
Explanation:
Took the test and got a 90%
Latitude influences temperature by determining the duration of daylight.
What is Latitude?This is defined as the measurement on a globe or map of location north or south of the Equator.
It helps to determine the duration of daylight which is usually warmer hence influencing the temperature thereby making option A the most appropriate choice.
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What must be balanced on the left side of an equation with the atoms on the right side of the equation?.
Answer:
The total number of atoms must be the same on both sides in order for it to be a balanced chemical equation.
Explanation:
Which of these is an example of force?
a. Watching a slice of bread in the toaster
b. Pulling a casserole out of the oven
c. Listening to your school chorus
d. Taste testing soup cooking on the stovetop
Answer:B
Explanation:
10. What illnesses or other damage to humans can be caused by UV light?
Explain why trees are a renewable resourcand how this resource can be maintained
Answer:
Trees can be planted, grown up and harvested for wood and other things. it can be maintained by properly watering them when they are young trees or during a drought.
Explanation:
hope this helps!
Plz help! I don't want internet answers plz :D
1. What determines weight?
2. What does Homogeneous mean?
Answer:
Explanation:
number 2 = A mixture that cannot be easily distinguished between the different parts. Distillation is one of the only ways to remove the parts from each other. For example, in a fruit salad you can easily pick things out, but in jello you cannot take the sugar out.
please give me brainilest
number 1. = The density of the bone structure and weight are essentially determined in order to determine the person's bone structure. The bone density measurement involves the size of the wrist. Determining the body frame allows an individual to estimate the best weight.
What’s the answer?????
potential energy
kinetic energy
kinetic energy
idk last sorry =(
Which environmental impact is associated with the use of nuclear power plants?.
Answer:
A major environmental concern related to nuclear power is the creation of radioactive wastes such as uranium mill tailings, spent (used) reactor fuel, and other radioactive wastes. These materials can remain radioactive and dangerous to human health for thousands of years.
Which reaction displays an example of an arrhenius base? naoh(s) right arrow. na (aq) oh–(aq) hcl(g) h2o(l) right arrow. h3o (aq) cl–(aq) ch3cooh(aq) h2o(l) right arrow. h3o (aq) ch3coo–(aq) nh3(aq) hc2h3o2(aq) right arrow. nh4 (aq) c2h3o2–(aq)
The reaction which displays an example of an arrhenius base is
NaOH(s) → Na⁺(aq) + OH⁻(aq).
What is Arrhenius base?According to the Arrhenius theory, those substance which gives H⁺ ion to the aqueous solution is acid and which gives OH⁻ ion to the aqueous solution is known as base.
All given chemical reactions will display an arrhenius acid, but only one reaction display as a arrhenius base as they gives OH⁻ ion to the aqueous solution and that reaction will be:
NaOH(s) → Na⁺(aq) + OH⁻(aq)
Hence option (1) is correct.
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Answer:
A: NaOH(s) ---> Na+(aq) + OH–(aq)
Explanation:
Which deduction about the element astatine can be made from its position in group 7
It forms covalent compounds with sodium.
where genre originated
The horses on a carousel or merry-go-round are accelerating because
an element
[tex]x[/tex]
has 12 neutrons calculate its atomic number if its nucleon number is 42
Answer:
Atomic number is 30
Explanation:
An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.
All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons. The sum of neutrons and protons is the mass number of an atom it is also called nucleon number,
while the number of protons are number of electrons is the atomic number of an atom.
For example
if an element have 12 neutron and nucleon number is 42 it means the number of protons will be = nucleon number - number of neutrons
42 - 12 = 30
Thus atomic number is 30.
Answer:
30.
Explanation:
The nucleon or mass number is the total of protons and neutrons in the nucleus.
Atomic number = nucleon number - number of neutrons in the nucleus
= 42 - 12
= 30.
is an example of a
formula.
A
B
molecular
structural
Answer:
Structural formula
Explanation:
Structural formulas are usually represented as such.