Taste and colour of water is different in both pot and plastic bowl.
Comparison between water in pot and plastic bowlThe appearance of the water in the pot is different from that of the water in the plastic bowl because of the colour. We know that water adopt the colour of the container in which it has been kept.
The taste of water in the pot is somewhat sweeter and colder than water present in the pot due to presence of pores and composition of pot so we can conclude that taste and colour of water is different in both pot and plastic bowl.
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Answer: The water in the pot is fully red because it is being heated the color is spreading more and the water in the pot is clear because condensation leaves the color and salt behind. The water in the plastic bowl taste more like regular water it does not have a taste but the water in the pot has a biterness taste to it.
Explanation:
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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10. What illnesses or other damage to humans can be caused by UV light?
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.
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
When food leftovers are stored in a refrigerator, how does this help prevent food borne illnesses?
Low temperatures disrupt microbe membranes and kill any microbes that are present.
Low temperatures deactivate any toxins that might be produced by microbes.
Low temperatures prevent microbes from forming biofilms.
Low temperatures inhibit the metabolism and growth of microbes.
Answer:
D. Low temperatures inhibit the metabolism and growth of microbes.
Explanation:
In low temperatures, the metabolic rate of microbes slows down. This is because higher temperatures are a more optimal environment for them to grow in.
where genre originated
1
2
3
5
6
7
8
Which product contains a strong base that would most likely completely dissolve in water?
drain cleaner
ammonia
baking soda
antacid
Answer:
is 5
Explanation:
Because the baking soda has the same kilograms
What is a titration procedure used for?
Question 2 options:
Titrations identify how toxic a solution is.
Titrations test the pH level of an unknown solution by using a known solution.
Titrations determine if a combination of chemicals will react.
Titrations test the pH level of an unknown solution by using a known solution.
What is titration?A titration is a method in which a solution of known concentration is used to find out the concentration of an unknown solution. The titrant which is a known solution is added from a buret to the unknown solution until the reaction is complete.
So we can conclude that titrations test the pH level of an unknown solution by using a known solution.
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The two containers are mathematically similar in shape
NEED HELP ASAP
During an experiment, ice and water were placed in a perfectly insulated thermos flask at 0 °C. Describe this system when it phase reaches equilibrium.
By the time thermal equilibrium is attained in the system, ice is completely converted to water.
What is tehrmal equilibrium?Thermal equilibrium is a situation in which two substances are exactly at the same temperature. That is. Heat is no longer flowing beween the bodies.
Recall that an insulated thermos flask implies that heat does not eneter or leave the system. Heat will flow from the water to the ice untill the both attains the same temperature and the ice is completely converted to water.
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what is found on the orbitals outside of the nucleus
Answer:electrons
Explanation:
PLEASE HELP!!!!!!!!!!!!!!!!!!!
Answer: nervous tissue to allow heart
epithelial to transmits
connective to forms like
muscle tissue to support bone
Explanation:
king_n1886
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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What are some characteristics of Tundra Biomes ?
Answer:
Characteristics of tundra include:
Extremely cold climate.
Low biotic diversity.
Simple vegetation structure.
Limitation of drainage.
Short season of growth and reproduction.
Energy and nutrients in the form of dead organic material.
Large population oscillations.
Explanation:
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
is an example of a
formula.
A
B
molecular
structural
Answer:
Structural formula
Explanation:
Structural formulas are usually represented as such.
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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The wool in a sweater is the result of a physical change? true or false
Answer:
false
Explanation:
still wool. the sweater is wool
Answer:
yes it is
Explanation:
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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Abbreviation of liter
Answer:
LTR
Explanation:
Answer:
The Abbreviation of liter is< ltr
Explanation:
Why is potassium nitrate classified as an electrolyte?.
Answer: It is a molecular compound. (2) It contains a metal. (3) It can conduct electricity as a solid.
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!
Which of the following is a characteristic of a strong base
The initial buret reading for a titration using 0.1524 M of barium chloride was 1.88 mL. The buret reading at the endpoint was 42.07 mL. Calculate the volume (mL) of barium chloride used in the titration to the correct number of decimal places. Calculate the answer first, then round if necessary.
Answer:
4
Explanation:
23456 trust me
1. How does Mr. Ravenell describe the essence of the black barbershop? Why
considered a safe haven?
2. What health topics were often discussed in the barbershop?
3. Why does Denny Moe say that a lot of black men trust their barbers more than their doctors?
4. How has Mr. Ravenell's work combined healthcare and barbershops?
5. What are the benefits of training barbers to talk to their clients about health issues and help with their healthcare?
This exercise is from Barbershop can keep men healthy by Joseph Ravenell, and is related to High Blood Pressure.
How does Mr. Ravenell describe the essence of the black barbershop?Mr. Ravenell describes the essence of the black barbershop as a place where there is friendship, trust and cooperation, and peace. (1a)
He considers it a safe haven because is void of stress and societal threats. (1b)
What health topics were often discussed in the barbershop?Some of the health-related topics that were discussed in the barbershop include but are not limited to:
Denny states that black men trust their barbers more than their doctors because most of them relate more with their barbers than with their doctors.
How has Mr. Ravenell's work combined healthcare and barbershops?Mr. Ravenell taught barbers how to measure blood pressure, and how to counsel their customers to go see a doctor if their blood pressure was too high.
What are the benefits of training barbers to talk to their clients about health issues and help with their healthcare?It was discovered that the number of those whose blood pressure were controlled in the 18 shops that were studied for one year were higher in the shops where the barbers had been trained.
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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.
A denaturation/renaturation (similar to the one carried out by Anfinsen with ribonuclease) experiment was carried out using insulin. However, in contrast to Anfinsen's results, only less than 10% of the activity of insulin was recovered when urea and BME were removed by dialysis. (This is the level of activity you would expect if the disulfide bridges paired randomly). In contrast, if the experiment is repeated with proinsulin, full activity is restored upon renaturation. Explain these observations.
Answer:
This same overview including its given query is listed in the interpretation section elsewhere here.
Explanation:
A base pairs polypeptide containing triple intramolecular disulfide bridges seems to be proinsulin. Containing two intermolecular bonding but each intramolecular disulfide connection, insulin would be a double clustered polypeptide. Throughout the situation of insulin, you provide multiple a and b strands throughout the solvent, and then before another intramolecular disulfide sizeable financial, the right an as well as b cysteine residues should locate each other through the way to solve.Even although, polypeptides also have a higher tendency for polymerization. Proinsulin but on the other hand already has intramolecular bridges and therefore it has a higher likelihood of folding upon itself and establishing certain connections while establishing an interfacial disulfide bond. Proinsulin versus this same productive insulin structure people could well recognize that there is indeed a barrier protection strand with amino acids attempting to cover up covalent bonds caused by exposure at the exterior including its active insulin molecule.Because once proinsulin is split into one of insulin, the whole concert is forced to remove to uncover this same bond around the outside, during which chemical agents could indeed destroy it. This may be the result revealed for both the two separate outcomes.Please help me I have a lot of points
Answer: Five moles of CH4 would require ten moles of O2.
Explanation: Start with a balanced equation. You can see from the balanced equation that one mole of CH4 reacts completely with two moles of O2. So five moles of CH4 would require ten moles of O2.
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:
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