Answer:
67
Explanation:
How do doctors know that Lyme disease is caused by a bacterium and NOT a virus?
Answer: Doctors can diagnose the disease through physical findings such as a "bull's-eye" rash along with a history of symptoms. But not everyone has the rash, and not everyone can recall being bitten. Special blood tests can be taken three to four weeks after suspected contact to confirm the diagnosis.
Explanation: HOPE THIS HELPS HAVE A GOOD DAY!;)
Consider the sugar below. Which term best describes this sugar? disaccharide monosaccharide polysaccharide saccharide
oh wait i wrote whole paragraphs let me fix this
okay so you mean this ?
a term for disaccharides would be double sugar or boise!
monosaccharides are simple sugars soluble in water. any class of sugars like glucose.
polysaccharide is starch, cellulose, or glycogen. with molecules together. a carbohydrate.
saccharide knows as to the term structure of carbohydrates. carbohydrates are plain simple? organic compounds that are aldehyde or ketone functional group. with the general chemical formula of carbohydrates is c (H O)
n. 2. n
To solve this we must be knowing each and every concept related to monosaccharide, polysaccharide and disaccharide. Therefore, monosaccharide is the term which describes the given sugar.
What is sugar?Sugar is the generic term for a variety of sweet-tasting, soluble sugars, many of which are utilized in food. Glucose, galactose, and fructose are examples of simple sugars, often known as monosaccharides.
Disaccharides comprise sugars (carbohydrate compounds) created when two simple sugars, or monosaccharides, combine to create a disaccharide.
Polysaccharides, also known as polycarbohydrates, are among the most common carbohydrates present in foods. They are polymeric long-chain carbohydrates made up of monosaccharide units linked together by glycosidic bonds.
Therefore, monosaccharide is the term which describes the given sugar.
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Which of the following is NOT an example of a chemical reaction?
a. sodium and chlorine forming salt
b. a candle burning forming carbon dioxide
c. a marshmallow releasing carbon when burned
d. ice turning into water
A) Sodium and chlorine forming salt, in this reaction salt is a new product with different properties than sodium or chlorine
Therefore it is a chemical reaction
B) A candle burning to form carbon dioxide, in this reaction carbon dioxide is a new product with different properties than the candles wax
Therefore it is a chemical reaction
C) Marshmallow releasing carbon is similar to the above one
Therefore it is a chemical reaction
D) Ice turning into water, in this reaction the water can be transformed into ice by freezing it
Therefore it is not a chemical reaction
The answer to your question is D) Ice turning into water
Happy to help :)
If you need anymore help, feel free to ask
In a polar bond, ____
are not shared equally between atoms.
Explanation:
Polar Covalent Bonds. A polar
covalent bond exists when
atoms with different
electronegativities share
electrons in a covalent bond.
Consider the hydrogen chloride
(HCI) molecule. Each atom in
HCI requires one more electron
to form an inert gas electron
configuration.
What is the name for As4010?
Answer: As4010 is the Molecular Formula of Arsenic oxide. its Molecular Weight is 459.68.
hope its help you
have a great day keep smiling be happy stay safe.
Which statement best describes how water's properties relate to its functions in a human's biological systems?
O Water absorbs a lot of energy from the skin due to its high specific heat.
O Water enters the body and provides support due to capillary action.
O Water helps decrease the body's density to allow it to float.
O Water dissolves and transports nonpolar covalent compounds in the body.
Answer:
A
Explanation:
on edge
Answer:
The answer is a
Explanation:
What is the formula for cr2+ no2-
Answer:
Cr (NO2) 2
Explanation:
................
Enrichment of nuclear fuel 2 points A. increases the relative concentration of uranium-235 to 3-20% to produce energy in a power plant. B. increases the relative concentration of uranium-235 to 30-50% to avoid a nuclear explosion at higher percentages. C. increases the relative concentration of uranium-235 from 60% to 90% to achieve maximum electricity generation D. decreases the relative concentration of uranium-235 from 100% to 30-50% to avoid a nuclear explosion at higher percentages.
Answer:
B. increases the relative concentration of uranium-235 to 30-50% to avoid a nuclear explosion at higher percentages.
Explanation:
Uranium enrichment may be defined as a process which is necessary for creating effective nuclear fuel from the mined uranium by mainly increasing the percentage of the uranium-235 that undergoes fission with a thermal neutrons.
The enrichment process removes the unwanted uranium-238, thus making uranium 235 concentration higher. It takes up much work to increase the relative concentration of the uranium 235 to make it 30% to 50% so as to avoid a nuclear explosion at such higher percentages.
An open glass of water is placed on the table. After a while, the temperature and volume of the water are both altered. What kind of system does this describe?
Answer: Open system
Explanation:
I guessed and I got the right answer
Mariah wants to determine how much energy is needed to change 500 g of liquid water at 100°C to steam at 100°C. What information will BEST help her make this
calculation?
what is molarity of 3 mole of hydrochloric acid in 3L of water
Answer:
1
Explanation:
Molarity is simply defined as the mole of solute per unit litre of water. Mathematically, it can be expressed as:
[tex]Molarity = \frac{mole}{volume}[/tex]
With the above information in mind, we can obtain the molarity of the hydrochloric acid solution as follow:
Mole of HCl = 3 moles
Volume of water = 3 L
Molarity =?[tex]Molarity = \frac{mole}{volume}\\Molarity = \frac{3}{3}\\Molarity = 1 M[/tex]
Therefore, the molarity of the hydrochloric acid solution is 1 M.
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Can someone balance this equation
CH₄ + 2O₂ = CO₂ + 2H₂O
What is the maximum number of valence electrons an element can have?
O A. 6
B. 18
O C. 8
O D. 10
Please help
HEEEEELPPPPP PLZZZZZZ How many liters of water would you need to add to 4.36 moles of NaCl to create a 1.3 M solution?
Answer:
4.67 moles of Li2SO3 dissolved to make 2.04 liters of solution. 4.67 mol ... water. In the second solution, I use 1.0 mole of salt to make a 1.0 L solution. Do the two ... How many milliliters are needed to make. 100.0 mL of ... 4. If I add 25 mL of water to 125 mL of a 0.15 M Naoh solution, what will the molarity of the diluted ...
Explanation:
During the chemical reaction given below 21.71 grams of each reagent were allowed to react. Determine how many grams of the excess reagent are left over after the reaction is complete. 2SO2()+O2()⟶2SO3()
Answer: 16.32 g of [tex]O_2[/tex] as excess reagent are left.
Explanation:
To calculate the moles :
[tex]\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}[/tex]
[tex]\text{Moles of} SO_2=\frac{21.71g}{64g/mol}=0.34mol[/tex]
[tex]\text{Moles of} O_2=\frac{21.71g}{32g/mol}=0.68mol[/tex]
[tex]2SO_2(g)+O_2(g)\rightarrow 2SO_3(g)[/tex]
According to stoichiometry :
2 moles of [tex]SO_2[/tex] require = 1 mole of [tex]O_2[/tex]
Thus 0.34 moles of [tex]SO_2[/tex] will require=[tex]\frac{1}{2}\times 0.34=0.17moles[/tex] of [tex]O_2[/tex]
Thus [tex]SO_2[/tex] is the limiting reagent as it limits the formation of product and [tex]O_2[/tex] is the excess reagent.
Moles of [tex]O_2[/tex] left = (0.68-0.17) mol = 0.51 mol
Mass of [tex]O_2=moles\times {\text {Molar mass}}=0.51moles\times 32g/mol=16.32g[/tex]
Thus 16.32 g of [tex]O_2[/tex] as excess reagent are left.
There is a very slight change in gravity at the top of a mountain. Which property would most likely be less at the top of a mountain?
mass
weight
body density
body temperature
Answer:
The entity that decreases is the Weight.
Explanation:
Every object on the surface of the earth is usually pulled downwards by the action of gravity. The force or weight is W = mg
Now, the farther one gets away from the surface of the earth by climbing a mountain, the further the person is from the Earth's centre of gravity.
We know that the formula for Force of gravity away from the Earth's surface is given by;
F_g = GM1M2/r²
So the greater the distance, the lesser the gravitational force.
Now, the gravitational force equals the weight of the individual.
Thus, the entity that decreases is the Weight of the individual.
Each element has its own set of characteristic absorption lines because Each element has its own set of characteristic absorption lines because the temperature of each element can varies. electron energy levels differ for each element. elements can exist in different forms of matter. absorption lines depend upon the speed of the object. each element has a different mass.
Answer:
Question is unclear
Explanation:
Answer:
what ru asking dear??? write question properly ??? Write the correct question from next time.
Which is the formula for a binary ionic compound composed of
iodine and sodium?
a Ina
b Either INa or Nal is acceptable.
С
lodine and sodium do not form a binary ionic
compound.
d Nal
Answer:
D. Nal
Explanation:
Took a K12 test and it was correct! :3 Hope this helps!
Which organelles appear to be associated with the nucleus of the animal cell
Answer:
The nucleus is surrounded by the endoplasmic reticulum, which is covered in spots by ribosomes.
Explanation:
When the animal cell divides, the nucleus breaks up, and the nuclear envelope falls apart.
How much stock solution is needed to make 250 mL of a 6.0 M solution. The stock solution has a molarity of 18 M.
Answer:
83 mL
Explanation:
Use the dilution equation M1V1 = M2V2
M1 = 18 M
V1 = ?
M2 = 6.0 M
M2 = 250 mL
Solve for V1 --> V1 = M2V2/M1
V1 = (6.0 M)(250 mL) / (18 M) = 83 mL
Which source helped the newly formed earth become a sphere in shape?
Answer:
rotation around its north-south axis.
WILL GIVE BRAINLIEST!!!!!!!!!!!!
Consider the diagram below.
What best describes this diagram?
A) building blocks for creating fats
B) building blocks for creating proteins
C) building blocks for creating fatty acids
D) building blocks for creating carbohydrates
Answer:
B
Explanation:
building blocks for creating proteins
HELP! help will give brainiest
Answer:
The sun or producers.
If the hydrogen ion concentration of a solution is 10M, is the solution acidic, alkaline, or neutral? Group of answer choices alkaline neutral acidic The answer cannot be determined.
Answer:
1) If the hydrogen ion concentration of a solution is 10–10M, is the solution is definitely alkaline. The thing I used to determine that fact is basic point - pH above 7 is always alkaine, and as a proof we can see from the task that the concentration of hydroxyl OH- is pretty higher than hydrogen H+, which is a direct charachteristic of alkain solution.
Explanation:Here is a tip for you, I bet it will be useful :
>7 = basic
<7 = acidic
7 = neutral
In 2006, scientists decided that Pluto
had more in common with
than the original 8 planets of the solar
system.
A: the other, newly discovered, dwarf planets
b: the moon
c: the asteroids
Scientists decided that Pluto are more in common with than the original 8 planets of the solar system will be the other, newly discovered, dwarf planets. Option A is correct.
In 2006, scientists redefined the definition of a planet, leading to the reclassification of Pluto as a dwarf planet. This decision was influenced by the discovery of other celestial bodies in the outer regions of the solar system that shared similar characteristics with Pluto.
The other, newly discovered, dwarf planets" is correct. Scientists recognized that there were other objects in the solar system, such as Eris, Haumea, Makemake, and Ceres, that shared similar characteristics with Pluto and were classified as dwarf planets alongside Pluto.
This reclassification highlighted the presence of a population of objects in the outer regions of the solar system known as the Kuiper Belt, which consists of numerous icy bodies similar to Pluto. By considering the properties and characteristics of these newly discovered dwarf planets, scientists concluded that Pluto had more in common with these objects than with the original eight planets of the solar system.
The moon and the asteroids are not accurate. While the moon and asteroids are significant celestial objects in the solar system, they do not represent the specific group of objects that are considered dwarf planets and have characteristics similar to Pluto.
Hence, A. is the correct option.
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A sample of gas has a volume of 12.0 L and a pressure of 2.00 ATM. If the pressure of gas is increased to6.00 ATM, what is the new volume of the gas
Answer:
4L
Explanation:
what is the molar mass of.
3 moles of iodine, 5 moles of gold, and 2.5 moles of potassium
Answer:
choices?
Explanation:
explain why the boiling tube was slanted of the hydrated copper II sulfate
Explain the difference between mass and weight and
how they are measured.
MERE
Answer:
The difference between mass and weight is that mass is the amount of matter in a material, while weight is a measure of how the force of gravity acts upon that mass. Mass is the measure of the amount of matter in a body. Mass is denoted using m or M.
Explanation:
the different between mass and weight is that the weight is the measure of the force of gravity on an object and the mass of an object will never change ,but the weight of an iteam can change based on its location
What is the pH of a solution with an OH- ion concentration of 4.01E-4?
Answer:
[H]=10^-4 when ph=4 higher
[H]=10^-5 when ph =5 lower
Explanation:
brains