The rate of diffusion change would increase if the PO₂ in the capillaries was 40 mmHg and the PO₂ in the muscle cell changed from 40 to 20 mmHg.
Simple diffusion is the movement of molecular substances from a region of higher concentration to lower concentration. The mechanism with which the movement of O₂ travels from the blood to the body tissues takes place with the use of simple diffusion.
Now, if PO₂ changes from 40 → 20 mmHg in the muscle cells, and the PO₂ in the blood = 40mmHg. It implies that the pressure gradient(P) has increased. As such, there is an increase in the rate of diffusion of oxygen from the blood to muscle cells.
Learn more about diffusion here:
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what are some of the activities performed during experiment
Which of the following is not a stage of the scientific method?
a. using a hypothesis to sell a new product
b. observing, collecting, and communicating data
c. formulating theories
d. formulating hypotheses
Answer:
Using a hypothesis to sell a new product.
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Answer:
I believe your answer is B.) I hope this helps.
Which of the following would not be made in a ribosome?
O enzymes
O cholesterol
O antibodies
O water-soluble hormones
Answer:
cholesterol(lipid)
Explanation:
Ribosomes are called PROTEIN FACTORY
Ribosomes are involved in protein synthesis
Any metabolite or substance protein in nature can be synthesized on ribosomes
enzymes are protein in natureantibodies are y shaped protective proteinswater soluble hormones are also amine or protein in natureSince they are protein in nature hence can be synthesized on ribosome.
WRONG OPTIONS:
CHOLESTEROL IS LIPID IN NATURE
LIPIDS ARE NOT proteins and cannot be SYNTHESIZED ON RIBOSOME
LIVER DOES THIS FUNTION OF CHLESTEROL SYNTHESIS.
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Answer:
what is this?
Explanation:
write your question
name two gases other than nitrogen, oxygen water, argon, and carbon dioxide that are found in the atmosphere
Answer:
Neon and helium
Explanation:
Which option correctly describes the pattern of valence electrons on the periodic table? (1 point)
o The number of valence electrons increases from right to left.
O The number of valence electrons increases from left to right.
O The number of valence electrons increases from bottom to top.
O The number of valence electrons increases from top to bottom.
Answer:
The number of valence electrons increases from left to right.
Explanation: The number of valence electrons increases going across a period, or row in the periodic table, for example, group 1 elements have 1 valence electrons and group 2 elements have have 2.
when two atoms bond chemically it is because of the interaction between
Answer:
Chemical bonds form when the valence electrons of one atom interact with the valence electrons of another atom
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Answer:
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Explanation:
just curious you know
In terms of attractive forces, explain why LiClhas a higher melting point than SCI2.
Answer:
Well, SCl2 is known, so is disulfur dichloride… Cl−S−S−Cl …and BOTH these species are molecular… On the other hand, lithium chloride, an ionic salt, is decidedly non-molecular, and consists of an infinite array of lithium and chloride ions held together by strong electrostatic forces ….. and thus we would expect the salt to have the much higher melting point….
Which are proteins that recognize specific proteins on bacteria a.antibodies b.enzymes c.nutrients d.receptors
Answer:
A
Explanation:
Answer:
A. antibodies
Explanation:
What is the energy of a single photon with a wavelength of 750 nm.
Answer:
Refer to the attachment
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I'm writing a lab report for my chem class on crystalline structures and I have absolutely no idea how to write the introduction. Can someone please direct me on how exactly I should write this?
Thanks!
Answer:
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Using the formula velocity = distance/time, how fast does sound travel in wood given a distance of 500 m and 0.26 seconds.
A- 1,923 m/s
B- 746 m/s
C- 2,941 m/s
D- 127 m/s
Answer:
A : 1,923 m/s
Explanation:
= 500/0.26
= 1,923
what is a chemical reaction of sulfric acid?
Sulfuric acid reacts violently with alcohol and water to release heat. It reacts with most metals, particularly when diluted with water, to form flammable hydrogen gas, which may create an explosion hazard. ... Hazardous decomposition products are as follows: sulfur dioxide, sulfur trioxide, and sulfuric acid fumes.
it acts violently with water or alcohol to release some heat, it does react to most metals, mostly when diluted with water to form flammable hydrogen gases, which may create an explosion hazard.
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what is the physical state of gold at room temperature
Answer:
solid
Explanation:
gold is relatively unreactive and exists as a solid at room temperature
It is found as a solid in gold mines, and in gold nuggets in river beds
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Answer:
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Explanation:
An atom of radium (Ra) forms a monatomic ion.
Which ion does it most likely form?
a- Ra2-
b- Ra-
c- Ra2+
d- Ra+
Answer:
The atomic number of the element Radium (Ra) is 88. It is an alkaline earth metal. Electronic configuration of Radium (Ra) will be [Rn]7s^{2}[Rn]7s
2
It belongs to the group IIA of the periodic table. Alkaline earth metals that belong to the group IIA of the periodic table lose the valence electrons to form a +2 ion.
Therefore, Radium with an electronic configuration of [Rn]7s^{2}[Rn]7s
2
will lose the two 7s electrons to form the cation with +2 charge.
Which of these statements is not true?
A. Atoms of the same element can have different masses
B. The nucleus of an atom has a positive charge
C. Atoms of isotopes of an element have different numbers of protons
D. Atoms are mostly empty space
Option 5
Answer:
c.
Explanation:
They can have different neutron numbers, not proton numbers. If they were to have different proton numbers it would be classified as a different element.
What is true of a saturated solution?
Answer:
A saturated solution is a solution that contains the maximum amount of solute that is capable of being dissolved. At 20°C, the maximum amount of NaCl that will dissolve in 100. g of water is 36.0 g. If any more NaCl is added past that point, it will not dissolve because the solution is saturated.
What Group is this Element in?
O Group 3
O Group 4
O Group 7
Group 1
Answer: group 7
Explanation:
Ammonium sulphate + __________________ potassium sulfate + ammonia + water
Please fill in the blank.
Answer:
Potassium Hydroxide Solution =
or
Potassium Hydroxide =
Since we know the products and one of the reactions, we can work backward to discover what the other reactant may be.
As it is in the question, we can map the reactants and product:
Reactants Product
Ammonium Ammonia
Sulfate Sulfate
________ Potassium
________ Water
Since the reaction will yield Potassium and water, the likely reactant is Potassium Hydroxide (KOH). This is because we know that Ammonium lost a Hydrogen atom that could combine with the Hydroxide radical to form water.
This becomes clear when we consider the net ionic equation:
Ammonium sulphate + Potassium Hydroxide → potassium sulfate + ammonia + water
if we write this a balanced chemical equation:
(NH₄)₂SO₄ + 2KOH → K₂SO₄ + 2NH₃ + 2H₂O
if we write the reaction as an ionic equation
2NH₄⁺ + SO₄⁻ + 2K⁺ + 2OH⁻ → 2K⁺ + SO₄⁻ + 2NH₃ + 2H₂O
if we remove the ions that appear on both the reactant and product side (spectator ions)
2NH₄⁺ + 2OH⁻ → + 2NH₃ + 2H₂OHow do you know where something fits on the electromagnetic spectrum? I currently have the Hz but do I need to convert that into something else?
Answer:
can oxygen exist as a liquid and solid
A solution is made by adding 200 g table salt to 1 L water. The solubility of salt is 36 g/100 mL water.
Which term best describes this solution?
dilute
saturated
supersaturated
unsaturated
Answer:
The answer is unsaturated
Answer:
supersaturated
Explanation:
how do you determine the thermal energy of an object
Answer:
An object's thermal energy is dependent upon its temperature and mass. The higher the temperature of a given quantity of a substance, more is its thermal energy. Similarly, for the same temperature, higher mass of a substance will contain more thermal energy
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2 hydrogen atoms; 3 helium atoms; 5 oxygen atoms; 6 iron atoms
19 aluminum atoms; 15 phosphorus atoms; 7 sodium atoms
B. What do the following spellings indicate:
4Cl; 12 thousand; 17Zn; 2 grams; Three; 8C; 15Al
Answer:
4chlorine;12thousand ;17zinc;2grams;three 8carbon;15aluminium
Deduce the total rate change of momentum of a cylinderical shaped object
Rotational versus translational kinetic energy; Total kinetic energy; Acceleration of a rolling object. Example scenarios. Rolling cylinders.