Which of the following are properties of substances with matter? (2 points)

a
Mass and volume

b
Length and width

c
Shape and color

d
Size and texture

Answer:

d, the remains of an organism have to be 10,000 years old to be classified as a fossile:)

Answer:

(d)

Explanation:took the quiz

Explanation:

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Answer:

Therefore, the number of potential sequences is the product of the number of different potential codons for this tripeptide, which gives us a total of (1 × 6 × 6 × 3) = 108 different mRNA sequences that can code for the tripeptide Met-Leu-Arg.

monitor the client for signs of lithium toxicity and report the symptoms to the healthcare provider immediately.

Lithium carbonate is a medication used to treat bipolar disorder. It is important to monitor the client's symptoms and blood levels of lithium to prevent toxicity, which can cause symptoms such as nausea, vomiting, increased urination, thirst, and tremors. The nurse should report these symptoms to the healthcare provider immediately, as lithium toxicity can be life-threatening. Additionally, the nurse should encourage the client to maintain adequate hydration to prevent further complications.

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Question:

A client who is taking lithium carbonate complains of mild nausea, voiding inlarge volumes, and thirst. On assessment, the nurse notes that the client iscomplaining of mild thirst. On the basis of these findings, the nurse should

Answer:

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Explanation:

Answer:

Voltaic cells convert chemical energy to electrical energy by means of an oxidation-reduction reaction. Electrolytic cells convert electrical energy to chemical energy, so they are the opposite of voltaic cells. They require an input of electrical energy to cause an oxidation-reduction reaction.

Explanation:

that good enough for ya my asian friend?

Answer:

This is the answer hopefully you understand this also can you mark me brainliest pls

Answer:

we wear cotton clothes because it helps to cool us down and remove the excess heat that causes us to feel hot.

Answer:

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Explanation:

We wear cotton clothes in the summer beacuse cotton absorbs and removes body moisture caused by the sweat and allows better air circulation than fabric clothes.

Answer:

Zero grams of NaCl & KNO₃  ... The reagents mixed in aqueous solution would not produce products as no driving force is present; i.e., no precipitate, weak electrolyte or gas decomposition product will form.

Explanation:

NaNO₃(aq) + KCl(aq) => (theoritically) NaCl(aq) + KNO₃(aq)

However all chloride salts from metathesis rxns remain soluble and 100% ionized except for halide derivatives of Hg⁺², Ag⁺ & Pb⁺₂.  Further, all NO₃⁻ salt derivatives also remain soluble and 100% ionized.

Technically, metathesis reactions (also known as double replacement rxns) depend upon the formation of a 'driving force' that leaves the reaction system in the form of a precipitate, weak electrolyte (weak acid or weak base) or a gas decomposition product. So, the reaction in this case should be as follows:

NaNO₃(aq) + KCl(aq) => No Reaction

To solve this problem we need to remember the equation for dilution of solutions:

Where C1 is the concentration of the first solution, V1 is the volumen of the first solution, C2 is the concentration of second solution and V2 is the concentration of the second solution.

We know from the text that C1=0.15M and V2 is 150ml, and they tell us that V2 is obtained by adding V1 10ml which we can express as the following expression:

Solving for V1 and using the data provided:

Now we have all de data for solving the first equation, we have to solve for C2 and substitute:

Final concentration is 0.14M

Answer:

C. 3-

Explanation:

Protons have an individual charge of 1+, neutrons have no individual charge, and electrons have an individual charge of 1-.

So the total charge from protons is 7+ and electrons 10-, which gives a net charge of 3-.

Atoms of Cr are in 24.95g of chromium is calculated as 2.89 *10^23. The molar mass is the mass in grams of one mole of material.

In chemistry, molar mass of chemical compound is defined as mass of a sample of that compound divided by the amount of substance which is number of moles in that sample, measured in moles. The molar mass is a bulk and not a molecular property of a substance.

As we know, molar mass of chromium is 52.00 g mol^-1

Avogadro's number is 6.022 *10^23

Number of atoms= (24.95/52) * 6.022 *10^23

So, number of atoms = 2.89 *10^23.

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Answer:

Neutral

Explanation:

NaCl aqueous solution is formed by NaOH and HCl.

NaOH is a base and HCl is an acid, so they go through neutralization process forming a neutral salt and water.

Answer:

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Explanation:

Answer:

C. Do grits work better at killing fire ants than commercial products?

Explanation:

Answer:

Earth's gravitational pull

Explanation:

Astronauts in the space shuttle float because they are in “free fall” around Earth, just like a satellite or the Moon. Again, it is gravity that provides the centripetal force that keeps them in circular motion.

Answer:

A. 15859.2 L or 15900 L

B. 0.629 mol

Explanation:

At STP, one mole is equal to approximately 22.4 L

L or mL is volume, so you are attempting to solve for L or mL.

A.

708 mol x (22.4 L/1 mol) = 15859.2 L (w/ significant figures included - 15900 L)

B.

(14.1 L) x (1 mole/ 22.4 L) = 0.629 mol.

Statement C is not true. A combination reaction is not called retrosynthesis.

Retrosynthesis is a term used in organic chemistry to describe the process of planning the synthesis of a complex molecule by breaking it down into simpler precursor compounds. On the other hand, a combination reaction refers to a chemical reaction where two or more substances combine to form a single compound.

Examples of combination reactions include the reactions mentioned in statements A and D, where magnesium reacts with oxygen to form magnesium oxide and sodium reacts with chlorine to form sodium chloride, respectively.

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Some types of solids that are insoluble in water are:

Many solids are insoluble in water, meaning they do not dissolve in water to a significant extent. Here are some examples of common solids that are generally insoluble in water:

Metals: Most metals, such as gold, silver, platinum, and copper, are insoluble in water.

Non-Metallic Elements: Many non-metallic elements, such as carbon (in the form of graphite or diamond), sulfur, phosphorus, and iodine, are insoluble in water.

Metal Oxides: Some metal oxides, particularly those of less reactive metals, are insoluble in water. Examples include aluminum oxide (Al2O3), iron(III) oxide (Fe2O3), and lead(II) oxide (PbO).

Metal Carbonates: Most metal carbonates are insoluble in water. Examples include calcium carbonate (CaCO3), lead(II) carbonate (PbCO3), and copper(II) carbonate (CuCO3).

Metal Sulfides: Many metal sulfides are insoluble in water. Examples include lead(II) sulfide (PbS), silver sulfide (Ag2S), and mercury(II) sulfide (HgS).

Insoluble Salts: Certain salts have limited solubility in water. Examples include silver chloride (AgCl), lead(II) iodide (PbI2), and calcium sulfate (CaSO4).

It's important to note that while these solids are generally insoluble in water, they may exhibit some solubility to a small extent. The solubility of a solid in water can vary depending on factors such as temperature, pressure, and the presence of other solutes.

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Given the data from the question,

A. The number of mole of water needed for the reaction is 1 mole

Bi. The number of mole of C₂H₂ formed is 0.5 mole

Bii. The number of mole of Ca(OH)₂ formed is 0.5 mole

Mole = mass / molar mass

Mole of CaC₂ = 32 / 64

Mole of CaC₂ = 0.5 mole

Balanced equation

CaC₂ + 2H₂O —> C₂H₂ + Ca(OH)₂

From the balanced equation above,

1 mole of CaC₂ required 2 moles of H₂O

Therefore,

0.5 mole of CaC₂ will require = 0.5 × 2 = 1 mole of H₂O

Thus, 1 mole of H₂O is needed for the reaction.

Balanced equation

CaC₂ + 2H₂O —> C₂H₂ + Ca(OH)₂

From the balanced equation above,

1 mole of CaC₂ reacted to produce 1 mole of C₂H₂

Therefore,

0.5 mole of CaC₂ will also react to produce 0.5 mole of C₂H₂

Thus, 0.5 mole of C₂H₂ was obtained from the reaction

Balanced equation

CaC₂ + 2H₂O —> C₂H₂ + Ca(OH)₂

From the balanced equation above,

1 mole of CaC₂ reacted to produce 1 mole of Ca(OH)₂

Therefore,

0.5 mole of CaC₂ will also react to produce 0.5 mole of Ca(OH)₂

Thus, 0.5 mole of Ca(OH)₂ was obtained from the reaction

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Electric charge : (f) : When objects have an overall positive or negative charges

Neutral : (h) : No charge (positive and negative charge are neutral)

Repel : (b) : Pushing away from each other

Attract : (g) : When a comb picks up small pieces of paper, they attract the paper.

Conductor : (e) : Silver

Insulator : (a) : Rubber tire

Electric Force : (d) : Shocking your finger when you open the door

Static discharge : (c) : Lightening storm

Answer:

Three scientists are credited with the development of cell theory. Matthias Schleiden observed that all plants were made of cells; Theodor Schwann observed that all animals were also made of cells; and Rudolf Virchow observed that cells only come from other cells.

Explanation:

The volume of the base NaOH in the reaction is determined as 28.5 mL.

The balanced equation for the reaction between NaOH and H₂SO₄ is given as;

2NaOH + H₂SO₄ ----> Na₂SO₄ + 2H₂O

From the balanced chemical equation, the number of moles of acid in the reaction is calculated as follows;

n = 0.012 L x 0.132

n = 0.00158

The equivalent number of moles of the base is calculated as follows;

n_b = 2 x 0.00158

n_b = 0.00316

The volume of the base in the reaction is calculated as follows;

V_b = 0.00316 moles / 0.111 M

V_b = 28.5 mL.

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The waves that  has the greatest wavelength is Wavelength shown with 1 wavelength stretched over a long distance.

A wave could be a disturbance or variety that voyages through a medium or space, carrying vitality without transporting matter. Waves can take different shapes and happen totally different sorts of waves, counting mechanical waves and electromagnetic waves.

Mechanical waves require a medium to propagate, meaning they require a substance like water, discuss, or a strong fabric to transmit the wave. Illustrations of mechanical waves incorporate water waves, sound waves, and seismic waves. In these waves, particles of the medium sway or vibrate in a design, exchanging energy from one molecule to another.

Electromagnetic waves, on the other hand, don't require a medium and can travel through vacuum, such as in space. Electromagnetic waves comprise of electric and attractive areas swaying opposite to each other and to the heading of wave engendering. Illustrations of electromagnetic waves incorporate obvious light, radio waves, microwaves, infrared waves, bright waves, X-rays, and gamma beams.

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Steps in separating this mixture include:

A method for extracting sulphate of lead, ammonium chloride and ammonium sulphate out of three different components involves dissolving them first in water before adding sodium sulfate which then leads to formation of solid particles - namely Precipitated Lead Sulfate (PbSO4).

The next step requires removing these particles by employing a filtration process before including Hydrochloric Acid (HCl) so as to derive Ammoniated Lead Chloride (NH4PbCl3).

Again use filtration process on this compound as well followed up with yet another addition step involving Hydrochloric Acid which results in creation of Ammoniated Salt NH4Cl crystals into solution - collect these small gemstones via filtration before undergoing drying procedure thus achieving final products.

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The comparison of the genotypic and phenotypic ratios of the crosses are as follows:

50% DD, 50% Dd (genotype); 100% Dominant

100% Dd (genotype); 100% dominant

50% Dd, 25% DD, 25% dd (genotype); 75% dominant, 25% recessive (phenotype)

50% Dd, 50% dd (genotype); 50% dominant, 50% recessive (phenotype)

In genetics, the genotype is the genetic constituent of an organism while the phenotype is the expressed trait.

According to this question, the genotypic and phenotypic ratios of cross combinations involving two alleles D and d is given.

The genotype of the offsprings of each cross is as follows:

Therefore, the genotypic and phenotypic ratios of these crosses are as follows:

50% DD, 50% Dd (genotype); 100% Dominant

100% Dd (genotype); 100% dominant

50% Dd, 25% DD, 25% dd (genotype); 75% dominant, 25% recessive (phenotype)

50% Dd, 50% dd (genotype); 50% dominant, 50% recessive (phenotype)

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The term that refers to the passing of a wave through an object is "transmission."

Transmission refers to the process by which a wave passes through an object or medium. In the context of sound, transmission occurs when sound waves travel through different substances, such as air, water, or solids.

When a sound wave encounters an object, it can be transmitted through it, reflected off it, or absorbed by it, depending on the properties of the object and the medium through which the sound is traveling.

For example, when you speak into a microphone, the sound waves produced by your voice travel through the air and are transmitted to the microphone's diaphragm. The diaphragm converts the sound waves into electrical signals, which can then be amplified and reproduced as sound through speakers.

In summary, transmission is the term used to describe the passage of a wave, such as a sound wave, through an object or medium. It is an essential concept in understanding how waves interact with their surroundings and how sound propagates through different materials.

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There would be 12 moles of sodium hydroxide are needed to produce 6.0 moles of calcium hydroxide.

First we should write the balance chemical reaction

CaCl₂ + 2NaOH → Ca(OH)₂ + 2NaCl

From the chemical reaction we know that 1 moles of CaCl₂ react with 2 moles NaOH produced 1 moles of calcium hydroxide and 2 moles of NaCl.

To calculated moles of sodium hydroxide are needed to produce 6.0 moles of calcium hydroxide we can use unitary method

Moles of NaOH = 2/1 x moles of calcium hydroxide

Moles of NaOH = 2/1 x 6 moles

Moles of NaOH = 12 moles

Therefore, to make 6.0 moles of calcium hydroxide, 12 moles of sodium hydroxide would be required.

Your question is incomplete but most probably your full question was

how many moles of sodium hydroxide are needed to produce 6.0 moles of calcium hydroxide according to the reaction below?

CaCl₂ + 2NaOH → Ca(OH)₂ + 2NaCl

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The mass of water produced by the reaction of the 23 g of \(SiO_2\)  is 13.8 g.

The given chemical reaction;

\(4Hf (g) \ + \ SiO_2 (s) \ --> \ SiF_4(g) \ + \ 2H_2O(l)\)

In the given compound above, we can deduce the following;

60 g of \(SiO_2\)  --------- 36 g of water

23 g of \(SiO_2\)  ------------- ? of water

\(mass \ of \ water = \frac{23 \times 36}{60} = 13.8 \ g \ of \ water\)

Thus, the mass of water produced by the reaction of the 23 g of \(SiO_2\)  is 13.8 g.

In the reaction of the given compound, \(4Hf (g) \ + \ SiO_2 (s) \ --> \ SiF_4(g) \ + \ 2H_2O(l)\), what mass of water (in grams) is produced by the reaction of 23.0 g of SiO2?

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The types of tissues that you think humans might have that are similar to plant’s vascular tissues - is connective tissues of circulatory tissues.

A plant's vascular tissues transport nutrients throughout the plant, just as the circulatory system transports nutrients throughout the human body.

Connective tissue in the human :

Thus, the types of tissues that you think humans might have that are similar to plant’s vascular tissues - is connective tissues of circulatory tissues.

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