Kate was drinking grape juice one morning at breakfast. she had been learning about solutions, so she started thinking about what the juice was made of. read the definitions and examples. then, determine whether each refers to a solution, a solvent, or a solute.

1.the substance that is dissolved
[ select ]
2.the liquid in which a substance is dissolved
[ select ]
3.a homogeneous mixture in which a substance is dissolved in a liquid
[ select ]
4.sugar
[ select ]
5.water
[ select ]
6.grape juice
[ select ]

Answer:

The answer is "Option B"

Explanation:

From the query, the following knowledge is derived:  

Yield in percentage = 47%  

Performance of theory = 4860 g  

Actual yield Rate =?  

The percentage return is defined simply by the ratio between both the real return as well as the conceptual return multiplied by the 100. It's also represented as numerically:

\(Rate = \frac{Existing \ Rate} {Theoretical \ Rate} \times 100\)

Now We can obtain the percent yield as followed using the above formula:  

\(\text{Yield in percentage}= \frac{Actual \ yield \ Rate} {Theorical \ Rate} \times 100\)

\(47\% = \frac{Actual \ yield \ Rate}{4860}\)

The value of the Actual yield Rate =\(47\% \times 4860\)

                                                        \(= \frac{47}{100} \times 4860 \\\\ = 2284.2 g\)

The Actual yield Rate= 2284.2 g.

Without centripetal force, an object would indeed go flying off in A. a straight line

Centripetal force is the inward force acting on an object that is moving in a circular motion, preventing it from flying off in a straight line. This force is directed towards the center of the circle, and its magnitude is determined by the mass of the object, its velocity, and the radius of the circle. In the absence of centripetal force, the object would continue moving in a straight line due to its inertia.

Inertia is the tendency of an object to resist changes in its state of motion, which is why an object in motion will continue moving in a straight line unless an external force acts upon it. So, without centripetal force, the object would not follow a circular path and would instead move in a straight line due to its inertia. So therefore without centripetal force, an object would indeed go flying off in A. a straight line instead of following a circular path.

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The step of the citric acid cycle that requires both NAD+ and ADP as reactants is the conversion of isocitrate to alpha-ketoglutarate, catalyzed by the enzyme isocitrate dehydrogenase.

In this step of citric acid cycle, isocitrate is oxidized, and NAD+ serves as the electron acceptor, resulting in the formation of NADH. Simultaneously, a molecule of CO2 is released. The energy released from this oxidation reaction is utilized to phosphorylate ADP to ATP, generating one molecule of ATP.

Therefore, the conversion of isocitrate to alpha-ketoglutarate in the citric acid cycle requires both NAD+ as the oxidizing agent and ADP as the phosphate acceptor for ATP synthesis.

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Answer:

this girl in my class is getting a dog

Explanation:

but shes annoying so im hit her

The percent by mass of the solution of H2O2 is 1.6547%, when hydrogen peroxide decomposes into water and oxygen.

How to calculate percent by mass of the solution?

To find the percent by mass of a solution of hydrogen peroxide (H2O2) prepared from 1.423 g of H2O2 that is titrated with 40.22 mL of 0.01143 M KMnO4(aq), you will need to determine the mass of H2O2 that is actually present in the solution.

The balanced equation for the reaction is:

2KMnO4(aq) + 3H2O2(aq) + 8H+(aq) --> 2MnO2(s) + 5O2(g) + 8H2O(l)

From the equation, we know that for every 2 moles of KMnO4(aq), 3 moles of H2O2(aq) are consumed. Therefore, the number of moles of H2O2 that are actually present in the solution can be determined by multiplying the moles of KMnO4 consumed by 3/2.

The moles of KMnO4 consumed can be determined by multiplying the volume of KMnO4 used by its concentration in mol/L.

So the moles of KMnO4 = 40.22 mL x 0.01143 mol/L = 0.459 mol

The moles of H2O2 present = (3/2) x 0.459 mol = 0.6885 mol

The mass of H2O2 present = 0.6885 mol x 34.02 g/mol = 23.55 g

Therefore, the percent by mass of the solution of H2O2 is (23.55 g / 1.423 g) x 100 = 1.6547 %

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a process called convection. Convection is a heat transfer mechanism that occurs due to the movement of fluids (such as air or water).

When a warm surface is in contact with air, the air molecules near the surface gain heat energy from the surface and become warmer. As the air molecules heat up, they become less dense and rise, creating a convection current. Cooler air from the surroundings replaces the rising warm air, creating a continuous circulation of air over the surface. This circulation carries the heat away from the surface, resulting in the loss of heat to the surrounding air. Convection plays a significant role in cooling processes, such as natural convection in the atmosphere and forced convection in mechanical systems.

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1,640.  The number is rounded up because the digit in the tenths place is 8, which is greater than or equal to 5.

Rounding off is a mathematical process of replacing a number with an approximate value that has a shorter, simpler, or more explicit representation. It is often done to reduce the number of significant figures in a calculation or to make calculations easier. Rounding off is used in many everyday situations, such as calculating a restaurant bill or estimating the amount of paint needed to paint a room. It is also used in more complex calculations, such as in scientific and engineering calculations.

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Explanation:

Electronic Configuration of First 30 Elements with Atomic Numbers

Atomic Number Name of the Element Electronic Configuration

18 Argon (Ar) [Ne] 3s2 3p6

19 Potassium (K) [Ar] 4s1

20 Calcium (Ca) [Ar] 4s2

21 Scandium (Sc) [Ar] 3d1 4s2

26 more rows

Explanation:

NUMBER ELEMENT ELECTRON CONFIGURATION

1 Hydrogen 1s1

2 Helium 1s2

3 Lithium [He]2s1

4 Beryllium [He]2s2

5 Boron [He]2s22p1

6 Carbon [He]2s22p2

7 Nitrogen [He]2s22p3

8 Oxygen [He]2s22p4

9 Fluorine [He]2s22p5

10 Neon [He]2s22p6

11 Sodium [Ne]3s1

12 Magnesium [Ne]3s2

13 Aluminum [Ne]3s23p1

14 Silicon [Ne]3s23p2

15 Phosphorus [Ne]3s23p3

16 Sulfur [Ne]3s23p4

17 Chlorine [Ne]3s23p5

18 Argon [Ne]3s23p6

19 Potassium [Ar]4s1

20 Calcium [Ar]4s2

The percent yield of reaction is calculated as 83.67%, which implies that 83.67% of expected amount of Baso was actually produced.

The actual yield divided by theoretical yield times 100 is percent yield.

Theoretical yield of Baso will be calculated as :

As, we know, molar mass of Baso = 234.17 g/mol

So, now moles of Baso is (45.8 g Baso) / (234.17 g/mol) = 0.196 mol Baso

Actual yield of Baso will be:

As we know,  molar mass of Baso = 234.17 g/mol

So, now moles of Baso is (38.4 g Baso) / (234.17 g/mol) = 0.164 mol Baso

As we know, Percent yield is (Actual yield/Theoretical yield) x 100

= (0.164  / 0.196 ) x 100

So, the Percent yield is 83.67%

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Answer:

An ion with 11 protons, 11 neutrons, and 10 electrons would have a charge of 1+, also expressed as a charge of positive one or +1.

Both the samples can be used to make inferences about the population.

A non-normal distribution is when the data is concentrated on one side with decreasing amount streaming off to the left or right side

It is given in the question that

Total number of population = 25000

% of a sample of Jason = 0.24%

% of the sample of Yolanda's = 0.32%

According to the Jason's Sample

the number of the population  is given by

0.24 * 25000 / 100

60

According to the Yolanda's Sample

The number of the population is given by

0.32 * 25000 / 100

80

Both the samples can be used to make inferences about the population.

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To calculate the number of moles of helium, we can use the formula n = m / M. The sample of helium is 0.495 moles.

To solve this problem, we need to use the specific heat capacity of helium, which is 5.193 J/(g*C). We can use the formula Q = mcΔT, where Q is the amount of energy transferred, m is the mass of the substance, c is the specific heat capacity, and ΔT is the change in temperature.

First, we need to calculate the change in temperature: ΔT = 55.9°C - 19.4°C = 36.5°C.

Next, we can rearrange the formula to solve for mass: m = Q / (c * ΔT). Plugging in the values we know, we get:

m = 448 J / (5.193 J/(g*C) * 36.5°C) = 1.98 g

So the mass of the helium sample is 1.98 g.

To calculate the number of moles of helium, we can use the formula n = m / M, where n is the number of moles, m is the mass, and M is the molar mass of helium. The molar mass of helium is 4.003 g/mol.

n = 1.98 g / 4.003 g/mol = 0.495 mol

So the sample of helium is 0.495 moles.

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Answer:

The car has been on the road for 0.49 hours

Explanation:

A car is traveling 35 miles/hr for 17 miles.

Speed of a car = 35 miles/hr

Distance travelled = 17 miles

The relationship between speed, distance, and time is given by

Distance = Speed × Time

Put Speed = 35 miles/hr, Distance = 17 miles

\(17=35\) × Time

Time = \(\frac{17}{35}=0.49\) hours

So, the car has been on the road for 0.49 hours

The time car has been on the road has been 0.49 hours. Thus, option D is correct.

Speed can be defined as the distance traveled by the object in unit time. The speed can be expressed as:

\(\rm Speed\;=\;\dfrac{Distance}{Time}\)

The car has been given to be traveling at:

Speed = 35 miles/hr

Distance traveled = 17 miles.

The time taken by car to travel 17 miles can be calculated by substituting the values as:

\(\rm 35\;miles/hr\;=\;\dfrac{17\;miles}{Time}\\\\\\\\Time\;=\;\dfrac{17\;miles}{35\;miles/hr}\)

Time = 0.49 hr.

The time taken by car to travel 17 miles has been 0.49 hours. Thus, the correct option has been D.

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Answer:

Option d (All of the above) is the right option.

Explanation:

Since flammable gas, oxidizing agent, inert gas all allow smoldering material to the flame which burns severely, the solution is all of those.

Answer:

B = A/DH – C

Explanation:

From the question given above, we obtained:

A = D • H(B + C)

Thus, we can obtain B in terms of D, H, A and C by doing the following:

A = D • H(B + C)

A = DH(B + C)

Divide both side by DH

A/DH = B + C

Subtract C from both side

A/DH – C = B + C – C

A/DH – C = B

B = A/DH – C

Sugar is a simple carbohydrate consisting of carbon, oxygen, and hydrogen molecules which are linked by covalent bonds.

The chemical covalent bonds are a type of chemical bond in which atoms that differ in their electronegativity share electrons to maintain cohesion i.e., intramolecular cohesion, while sugar molecules may interact by glycosidic bonds.

Therefore, with this data, we can see covalent bonds bind atoms in the sugar molecule while glycosidic bonds are those required to connect different sugar and thus form a complex macromolecule or polysaccharide.

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Answer: b, the object reflected the wave.

Answer:

the wave was transmitted through the object

Explanation:

Answer:

[He] 2s2 2p2

Explanation:

The radiant energy that is absorbed by the plant in the process of photosynthesis is stored in the plant in the form of chemical energy contained in sugars.

The term photosynthesis has to do with the process by which there is a combination of water and carbon dioxide in the plant such that the products that are formed are sugar and oxygen. The oxygen is released back into the environment.

We know that radiant energy from the sun is what acts as the catalyst that makes the reaction possible. The combination occurs in the chloroplasts of the plant cells .

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Amino Acids :

Any of a class of organic molecules composed of a basic amino group (NH2), an acidic carboxyl group (COOH), and an organic R group (or side chain) is called an  amino acid. Protein is constructed from amino acids. Proteins are made up of long chains of amino acids. Each protein has its own amino acid sequence.

At neutral \(p^{H}\), there are three amino acids with basic side chains. These are the amino acids arginine , lysine , and histidine . Their side chains are nitrogen-containing and resemble ammonia, which is a base. Because their p\(K^{a}\)s are so high, they tend to bind protons, gaining a positive charge in the process.

Six amino acids have polar but uncharged side chains. Serine , threonine , cysteine , asparagine , glutamine , and tyrosine are the amino acids .These amino acids are usually found at the surface of proteins.

At neutral \(p^{H}\), the side chains of two amino acids are acidic. These are aspartic acid or aspartate  and glutamic acid or glutamate . Their side chains have carboxylic acid groups with p\(K^{a}\)s low enough to lose protons and become negatively charged.

Glycine , alanine , valine, leucine , isoleucine , proline , phenylalanine , methionine , and tryptophan are the nine amino acids with hydrophobic side chains .

In mammals, the two primary sulfur-containing amino acids are methionine and cysteine. Methionine is an essential amino acid that must be obtained through diet, whereas cysteine is a non-essential metabolite of methionine metabolism.

Hence, option c) is FALSE as, Glutamic acid is negatively charged but asparagine is uncharged.

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Answer:

Explanation:

Hawksbill turtles were identified as endangered due to water pollution. Chemical pollutants can weaken turtle's immune systems making them prone to diseases. Plastic packaging, nylon fishing lines etc can be eaten by turtles or they may get stuck in them resulting in death.

sorry this is the only details i can give

Answer:

Both A and B

Explanation:

With hazardous materials, it is usually a safe bet that all of the listed precautions are required, so to protect hazardous materials.

2.5mol of  aluminium ions are in 1.25mol of AI\(_2\)O\(_3\). There are precisely  6.022×10²³  elementary entities in a mole.

The International System of Units uses the mole (symbol mol) as the unit of substance quantity (SI). How so many elementary units of a certain substance are present in an item or sample is determined by the quantity of that material.

There are precisely  6.022×10²³  elementary entities in a mole. An elementary thing may consist of an atom, an molecule, and ion, and ion pair, or maybe a subatomic particle like an electron dependent on what the material is. AI\(_2\)O\(_3\) contains 2 mole of aluminium ion

mole of AI\(_2\)O\(_3\) =1.25mol

mole of aluminium ion =2×1.25mol =2.5mol

Therefore, 2.5mol of  aluminium ions are in 1.25mol of AI\(_2\)O\(_3\).

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To determine the new concentration of Fe3+ when 3.00 mL of 0.00200 M iron(III) nitrate is diluted to a total volume of 10.00 mL, we can use the concept of dilution.

First, we need to calculate the number of moles of Fe3+ in the initial 3.00 mL of 0.00200 M iron(III) nitrate. The number of moles can be calculated using the formula:

moles = concentration × volume

moles = 0.00200 M × 0.00300 L

moles = 0.000006 mol

Next, we determine the final volume of the solution, which is 10.00 mL.

Now we can use the dilution formula to find the final concentration:

C1V1 = C2V2

C1 = initial concentration

V1 = initial volume

C2 = final concentration

V2 = final volume

Rearranging the formula:

C2 = (C1V1) / V2

C2 = (0.00200 M × 0.00300 L) / 0.01000 L

C2 = 0.0006 M

Therefore, the new concentration of Fe3+ after dilution is 0.0006 M in a total volume of 10.00 mL.

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(a) The reaction with Delta H = 12.6 kJ/mol and Delta S = 93 J/K·mol is spontaneous at 25°C.

(b) The reaction with Delta H = 9.5 kJ/mol and Delta S = -94.0 J/K·mol is not spontaneous at 25°C.

To determine whether a reaction is spontaneous at a given temperature, we can use the Gibbs free energy equation: Delta G = Delta H - T·Delta S, where Delta G is the change in Gibbs free energy, Delta H is the change in enthalpy, Delta S is the change in entropy, and T is the temperature in Kelvin.

For a reaction to be spontaneous, Delta G must be negative. If Delta H is negative (exothermic) and Delta S is positive (increase in disorder), the reaction is more likely to be spontaneous.

(a) For the reaction with Delta H = 12.6 kJ/mol and Delta S = 93 J/K·mol, we have Delta G = 12.6 kJ/mol - (25 + 273) K·(93 J/K·mol/1000 J/kJ) = -5.25 kJ/mol. Since Delta G is negative, the reaction is spontaneous at 25°C.

(b) For the reaction with Delta H = 9.5 kJ/mol and Delta S = -94.0 J/K·mol, we have Delta G = 9.5 kJ/mol - (25 + 273) K·(-94.0 J/K·mol/1000 J/kJ) = 3.57 kJ/mol. Since Delta G is positive, the reaction is not spontaneous at 25°C.

To determine the minimum temperature at which a non-spontaneous reaction becomes spontaneous, we can set Delta G equal to zero and solve for T in the equation Delta G = Delta H - T·Delta S. However, in this case, both reactions are either spontaneous or non-spontaneous at 25°C, so we do not need to calculate the minimum temperature.

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Answer:

you will use the filter and iodine seperation

Answer:

The valence electrons are the only parts of an atom that make chemical bonds. Noble gases don't form chemical bonds because they have a full outer shell (8 electrons).

Answer:

C. Chemical reactions may have deteriorated the rubber

Explanation:

A tire ages with time and most of the time this happens due to chemical reactions in the rubber parts. This could happen faster due to heat and sun.

As a tire is deteriorating or aging, a chemical change happens. What happens is that more chemical bonds are going to be produced with time between the molecules. We call this the process of oxidation. This actually bad for the tire, because the rubber would turn out to be stuffs d strong causing the tires thread to separate and also disintegration would occur.

Calcium cations are molecules that do not play a role in preserving the resting membrane potential.

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