The molar mass of SO3 is grams.

Answer:

13 branches/tree

Explanation:

Step 1: Given data

Step 2: Calculate the total number of branches (b)

We will use the following expression.

b = l × b/l

b = 19565 leaves × 1 branch/35 leaves = 559 branch

Step 3: Calculate the number of branches per tree (b/t)

We will divide the total number of branches by the total number of trees.

559 branches/43 trees = 13 branches/tree

Answer:

Characteristics

Explanation:

hope this helps

Answer: The magnetic orientation of rocks may change in Location A and subduction occurs in Location B. I tried my best

Happy To Help ;)

Explanation:

Answer:

It is C!! Hope this helps!!

Explanation:

I got it correct on the test

Answer:

Zn + 2HCl -> H2 + ZnCl2

CS2 + 2O2 -> CO2 + S2O2

Explanation:

88 is the nearest whole number \(88\frac{196}{480}\).

Rounding is a process to estimate a certain number in a context. To determine how to round a number, look at the next digit in the appropriate position; if it is less than 5, round down, and if it is more than 5, round up.

The major figures of a particular number are those key or significant digits that accurately represent the meaning of the number.

\(88\frac{196}{480}\) is mixed friction.

Changing the mixed fraction into improper fraction number by :

Multiplying 88 × 480 = 42,240

Adding 196 to this number = 42240 + 196

= 42,436/480

= 88.40

≈ 88

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Answer:

so so

Explanation:

this your question?? <_>

Because digital information is frequently encrypted and compressed, digitizing signals is safer.

A signal path is one that expresses data as a series of distinct values; it is unable to take on one of a limited number of different values at any given moment. An analog signal, on the other hand, conveys continuous values; anywhere at given instant, it represents an actual number within such a continuous value range.

Simple digital signals encode information in discrete analog level bands. All levels in a value band indicate the very same information state. The signal throughout most digital circuits can have two correct values; this is known as a binary signal as well as logic signal. Because digital information is frequently encrypted and compressed, digitizing signals is safer.

Therefore, because digital information is frequently encrypted and compressed, digitizing signals is safer.

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Answer:

down below

Explanation:

Judy Hopps was one of the smaller prey animal while the others were predators or bigger prey animals. Meaning, she was tiny and in some minds, was easier to take down or may not be able to do the job as well as the bigger animals. Also, she was, less noticeably, the only female prey animal.

Answer:

because time is independent and distance is dependent . time goes on if distance is not there but if distance is covered it is covered in certain time . that's why distance is taken on y axis while displacement on x axis

Biotechnology is the use of living organisms or other biological systems in the manufacture of drugs or other products or for environmental management, as in waste recycling: includes the use of bioreactors in manufacturing, microorganisms to degrade oil slicks or organic waste, genetically engineered bacteria to produce human hormones, and monoclonal antibodies to identify antigens.

Biotech offers the possibility of improving human health, the environment, and agriculture while creating more sustainable modes of production.

Answer:

Explanation:

Here, we want to get the number of moles of water that would form

From the equation of reaction, 4 moles of ammonia produced 6 moles of water

However, 8.2 moles of ammonia will produce x moles of water

To get the value of x, we have it that:

Sally is wrong because copper is less electropositive than hydrogen, thus, can not displace hydrogen from dilute acids.

The reactions to prepare copper (ii) chloride are:

the chlo­ri­na­tion of cop­per sul­fide at a high tem­per­a­ture

reaction of copper (ii) oxide with dilute hydrochloric acid

The equations of the given reactions are as follows:CuS + Cl₂ ---&gt; CuCl₂ + SCuO + 2HCl ----&gt; CuCl₂ + H₂O

Reactive metals are metals that readily give up their electrons to form positive ions.

Reactive metals displace hydrogen from dilute acids. They are found in group 1A and 2A of the periodic table. Copper is not a reactive metal and will not displace hydrogen from acids.

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Sally is wrong because copper chloride is not made from the reaction of copper and dilute hydrochloric acid.

2. Copper (ii) chloride can be prepared as follows:

3. the equations of the reaction are:

Single replacement reactions are reactions in which a more reactive atom replaces another atom in a compound.

An example of a single replacement reaction is the reaction of chlorine gas with copper sulfide at high temperatures to form copper chloride.

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Answer:

N2(g) + O2(g) ----->2NO(g)      ΔH= 181 kJ

Explanation:

The equation of the reaction according to the question should be written with the lowest coefficient. A thermochemical reaction usually includes the enthalpy of reaction as part of the reaction equation

So we have the equation of the reaction as;

N2(g) + O2(g) ----->2NO(g)      ΔH= 181 kJ

The positive enthalpy shows that heat was absorbed in the reaction

Answer:

35.5 is the answer

Explanation:

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There are approximately 6.022 × 10^23 atoms in 12 grams of Carbon-12 (12C).

The number of atoms in a given amount of a substance can be calculated using Avogadro's number, which represents the number of atoms or molecules in one mole of a substance. Avogadro's number is approximately 6.022 × 10^23.

Carbon-12 is a specific isotope of carbon, with an atomic mass of 12 atomic mass units (amu). One mole of Carbon-12 has a mass of 12 grams. Since one mole of any substance contains Avogadro's number of particles, in the case of Carbon-12, it contains 6.022 × 10^23 atoms.

Therefore, if we have 12 grams of Carbon-12, which is equal to one mole, we can conclude that there are approximately 6.022 × 10^23 atoms in this amount of Carbon-12.

In summary, 12 grams of Carbon-12 contains approximately 6.022 × 10^23 atoms. Avogadro's number allows us to relate the mass of a substance to the number of atoms or molecules it contains, providing a fundamental concept in chemistry and enabling us to quantify and understand the microscopic world of atoms and molecules.

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A. 3 NaOH + (NH4)3PO4 -> Na3PO4 + 3 H2O + 3 NH3

B. C2H6O + 3 O2 -> 2 CO2 + 3 H2O

C. Mg3N2 + 6 H2O -> 3 Mg(OH)2 + 2 NH3

D. 2 C8H18 + 25 O2 -> 16 CO2 + 18 H2O

E. C12H22O11 + 12 O2 -> 12 CO2 + 11 H2O

F. H2C2O4 + CaCl2 -> CaC2O4 + 2 HCl

Answer:

Oxidation number:

3*1+ oxidation number of J+2*-2= -1

Oxidation number of J = 0

Answer:

Kush would have been able to fight better and probably would have never been invaded by Egypt, and they could have beaten the Assyrians when they tried to takeover Egypt. And the 25th dynasty would have continued.

Explanation:

that is my explanation and answer^

Answer:

cell wall

Explanation:

plant cell have cell wall and can go through the process of plasmolysis.

they also contain stoma

animal cell are smaller

Answer:

The correct order for the stages of melting candle wax is:

Explanation:

The formulas for the binary ionic compounds are:

We want to write the formulas of different binary ionic compounds. to do so, we need to consider the octet's rule.

The octet's rule establishes that atoms will lose, gain or share electrons to achieve the electron configuration of the nearest noble gas (8 valence electrons except for He with 2).

K has 1 valence electron so it will lose 1 electron to form K⁺. I has 7 valence electrons so it will gain 1 electron to form I⁻. The neutral compound between K⁺ and I⁻ is KI.

Mg has 2 valence electrons so it will lose 2 electrons to form Mg⁺². Cl has 7 valence electrons so it will gain 1 electron to form Cl⁻. The neutral compound between Mg⁺²⁺ and Cl⁻ is MgCl₂.

Na has 1 valence electron so it will lose 1 electron to form Na⁺. S has 6 valence electrons so it will gain 2 electrons to form S⁻². The neutral compound between Na⁺ and S⁻² is Na₂S.

Al has 3 valence electrons so it will lose 3 electrons to form Al³⁺. S has 6 valence electrons so it will gain 2 electrons to form S⁻². The neutral compound between Al³⁺ and S⁻² is Al₂S₃.

Al has 3 valence electrons so it will lose 3 electrons to form Al³⁺. N has 5 valence electrons so it will gain 3 electrons to form N³⁻. The neutral compound between Al³⁺ and N³⁻ is AlN.

The formulas for the binary ionic compounds are:

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4.933 mL of sulfuric acid needs to be added to have an acetanilide concentration of 1.5 M for the given molarity .

The molarity of a solution is defined as the total number of moles of solute present per litre. It is also referred to as "molar concentration" and is spelled "molar." It is denoted by the symbol "M," and its unit of measurement is mol/L. A solution is said to have one molarity if one mole of solute dissolves in one litre of solution. The molarity of a solution is determined by its volume but not by the volume of the solvent. Unlike mass, the molarity of a given solution relies on the physical properties of the system, such as pressure and temperature, because the volume of the solution changes as the physical conditions of the system change.

Use formula M₁ × V₁ = M₂ × V₂

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The amount of heat energy produced when 1 g of hydrogen and 2 g of nitrogen are reacted, is -6.61 KJ

First, we shall obtain the limiting reactant. Details below:

3H₂ + N₂ -> 2NH₃

From the balanced equation above,

28 g of N₂ reacted with 6 g of H₂

Therefore,

2 g of N₂ will react with = (2 × 6) / 28 = 0.43 g of H₂

We can see that only 0.43 g of H₂ is needed in the reaction.

Thus, the limiting reactant is N₂

Finally, we the amount of heat energy produced. Details below:

3H₂ + N₂ -> 2NH₃ ΔH = -92.6 KJ

From the balanced equation above,

When 28 grams of N₂ reacted, -92.6 KJ of heat energy were produced.

Therefore,

When 2 grams of N₂ will react to produce = (2 × -92.6) / 28 = -6.61 KJ

Thus the heat energy produced from the reaction is -6.61 KJ

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trees... they bring life nd without trees, there wouldnt be life

Answer:

shale and siltstone

Explanation:

The Triceratops dinosaur fossils are approximately 70 million years old, because they are found in shale and siltstone that contain volcanic ash radiometrically dated at 70 million years.

Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Therefore, in shale and siltstone, Scientists would most commonly find a fossil of triceratops.

Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.

Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.

So as we saw that matter has some mass so mass can be measured in gram only. Mass can also be represented as number of molecules. We also saw that matter occupy some volume and that volume is measured only in liter.

Scientists would most commonly find a fossil of triceratops in shale and siltstone that contain volcanic ash radiometrically dated at 70 million years.

Therefore, in shale and siltstone, Scientists would most commonly find a fossil of triceratops.

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Answer:

Explanation:

Here, we want to get the number of moles

Mathematically:

We have that as: