What is the limiting reactant from this equation

Answer:

All zeros between other significant digits are significant. The number of significant figures is determined by starting with the leftmost non-zero digit. The leftmost non-zero digit is sometimes called the most significant digit or the most significant figure. For example, in the number 0.004205, the '4' is the most significant figure.

Explanation:

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Answer:

40 hopefully right

Explanation:

Answer:

k im silly frrr lol have a great day

Answer:

can u tell the question in english

Answer: 3.2 [D]

Explanation:

Use Boyles law

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Answer:

Hydrogen

Electronic notation

Explanation:

Answer:

1 Adaptation

2 Gills

3 Aquatic

Answer:

The product of transcription is RNA, which can be encountered in the form mRNA, tRNA or rRNA while the product of translation is a polypeptide amino acid chain, which forms a protein.

Explanation:

When Salt is dissolved into a water solvent; Yes, it can be extracted through evaporation. It retains its original properties: Choice C.

The salt when dissolved in water solvent forms a solution.

They can be separated by boiling the mixture.

The solution formed is a mixture which can be separated by evaporation of water molecules do that the salt is left in the heating chamber.

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Answer:

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Explanation:

List of answers here

In this case, according to the Raoult's law, we can find the mole fraction of 79 wt% benzene and 21 wt% toluene at 50 °C in the vapor phase as follows:

[tex]y_iP=x_iP_i[/tex]

However, we first have to calculate the mole fractions in the solution as follows (b stands for benzene and t for toluene):

[tex]\\x_b=0.79\frac{g\ benzene}{g\ solution} *\frac{(78.11*x_b+92.14*x_t)}{1mol\ solution} *\frac{1mol\ toluene}{78.11g\ toluene} \\\\x_b=0.79\frac{g\ benzene}{g\ solution} *\frac{78.11*x_b+92.14*(1-x_b)}{1mol\ solution} *\frac{1mol\ toluene}{78.11g\ toluene}\\\\x_b=0.79*(x_b+1.18*(1-x_b))\\\\x_b=0.79x_b+0.932-0.932x_b\\\\x_b=\frac{0.932}{1+0.932-0.79} =0.816\\\\x_t=1-x_b=1-0.816=0.184[/tex]

Next, we calculate the total pressure as follows, according to the Dalton's law:

[tex]P=x_bP_b+x_tP_t=0.816*271mmHg+0.184*91.5mmHg=237.972mmHg[/tex]

Finally, the mole fractions of the vapor phase turn out:

[tex]y_b=\frac{0.816*271mmHg}{237.972mmHg}=0.929\\\\y_t=1- 0.929=0.071[/tex]

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A vessel that contains a mixture of nitrogen and butane has a pressure of 3.0 atm at 126.9 °C and a pressure of 1.0 atm at 0 °C. The mole fraction of nitrogen in the mixture is 0.33.

A vessel contains a gaseous mixture of nitrogen and butane. At 126.9 °C (400.1 K) the pressure is due to the mixture is 3.0 atm.

We can calculate the total number of moles using the ideal gas equation.

[tex]P \times V = n \times R \times T\\\\n = \frac{P \times V}{R \times T} = \frac{3.0 atm \times V}{0.082 atm.L/mol.K \times 400.1 K} = 0.091 mol/L \times V[/tex]

At 0 °C (273.15 K), the pressure due to the gaseous nitrogen is 1.0 atm.

We can calculate the moles of nitrogen using the ideal gas equation.

[tex]P \times V = n \times R \times T\\\\n = \frac{P \times V}{R \times T} = \frac{1.0 atm \times V}{0.082 atm.L/mol.K \times 400.1 K} = 0.030 mol/L \times V[/tex]

The mole fraction of nitrogen in the mixture is:

[tex]X(N_2) = \frac{0.030 mol/L \times V}{0.091 mol/L \times V} = 0.33[/tex]

A vessel that contains a mixture of nitrogen and butane has a pressure of 3.0 atm at 126.9 °C and a pressure of 1.0 atm at 0 °C. The mole fraction of nitrogen in the mixture is 0.33.

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Answer:

The plum pudding model would have to be true as well because it shows that electrons are scattered within an atom.

Explanation:

I took the test and got it right :)

The plum pudding model would have to be true as well because it shows that electrons are scattered within an atom

The model of the atom proposed by Rutherford is called the nuclear model of the atom called the nuclear model of the atom. It was proposed after his famous experiment using a thin gold foil.

His previous prediction was that the alpha particles will bend or deflect around the positively charged areas of the gold atom. If this prediction came true, the plum pudding model would have to be true as well because it shows that electrons are scattered within an atom.

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Answer:

that would just create a bigger mess if you flush it with ice water it can reduce swelling and help dull your nerves

Explanation:

If acid comes in contact with your skin, because having an excessive amount of base can also be harmful. Acid is weakened and rendered ineffective by water.

A chemical species known as an acid absorbs electrons and/or provides protons or hydrogen ions. When a hydrogen atom is bound to an acid, it can release (dissociate) and produce a cation as well as an anion in water. A substance's acidity and solution pH increase according to the amount of hydrogen ions it produces.

There are various definitions for acids. When someone uses the term "an acid," they typically mean an Arrhenius or Brnsted-Lowry acid. Often, a Lewis acid being referred to as a "Lewis acid." If acid comes in contact with your skin, because having an excessive amount of base can also be harmful. Acid is weakened and rendered ineffective by water.

Therefore, if acid comes in contact with your skin, because having an excessive amount of base can also be harmful. Acid is weakened and rendered ineffective by water.

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Mercury is a compound denser than water and when this happen, it stays lower.

So, in this case, water stays higher than mercury because its density is low.

The level is different by a factor of 13.6 times taller.

Answer:

The gas that was produced by the reaction of zinc and hydrochloric acid was Hydrogen gas and zinc chloride. In the presence of fire, hydrogen explodes with a popping sound. The popping sound put out the flame.

When Zn is reacts with HCl then generating tiny hydrogen bubbles as well as creating zinc chloride [tex]ZnCl_{2}[/tex] (zinc chloride).

A process known as the hydrogen bubble procedure electrolyzes conductive water containing acid / base to produce hydrogen bubbles.

[tex]ZnCl_{2}[/tex] (zinc chloride) will be formed by the reaction between the Zn (Zinc) and Cl (chlorine).

It can be written as:

[tex]Zn +Cl_{2}[/tex] → [tex]ZnCl_{2} +H_{2}[/tex].

Hence, [tex]ZnCl_{2}[/tex] (zinc chloride) and hydrogen gas will be formed during the reaction.

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Answer:

[tex]2al + 3h2so4 = > al2(so4)3 + 3h2 \\ eqvt \\ = > \frac{5.4}{27} = > \frac{5 \times 50}{1000} \\ .2 \: mol = > .25 \: mol \\ \\ so \: .25 \: is \: limiting \: reagent \\ according \: to \: ideal \: gas \: equation \\ pv = nrt \\ v = \frac{nrt}{p} \\ v = \frac{.25 \times .082 \times 300}{1} \\ = \frac{1}{4} \times 8.2 \times 3 \\ = 2.05 \times 3 \\ = 6.15litre \\ thank \: you[/tex]

Answer:

You have to write the full question

Answer:

atomic # 38 or strontium (Sr)

Explanation:

Which ion with a

+2charge has the electron configuration

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6?

ADD THE ELECTRONS AND ADD 2 MORE  FOR THE +2 CHARGE

so

2 +2 +6 +2 +6 +2 + 10 +  6 +2  

so if it is now neutral (you added 2 e's to ofsetr the +2 charge) it has 38

protons, so it is atomic # 38 or strontium (Sr)

There are many factors that we can take into account when attempting to relate microscopic bonding properties to solid-state properties, for example, the rigid and immobile nature of solid states and their molecular bonds.

Solid-state properties are simply put, the properties we can observe and measure when studying an element in solid form. These solids have specific characteristics such as:

and so on, which although not initially obvious, are caused by the microscopic molecular bonds of their atoms.

The microscopic properties of solids are very similar to that of the solid-state properties. The atoms of a solid are very close together and strongly bonded to one another, because of this the atoms form a very rigid structure that resists changes to their shape or volume, much like the macroscopic properties of the solid. This serves to show how these properties may cause the solid-state effects we can observe normally.  

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For a weak intermolecular bond, both the melting point and boiling point are lower.

A lesser energy is required to break bond of weak intermolecular forces while a greater energy is required to break bond of strong intermolecular forces.

E ∝ T

where;

A lesser energy means a lower temperature and a lower temperature will result in lower boiling point and melting point.

Thus, we can conclude that for a weak intermolecular bond, both the melting point and boiling point are lower.

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Answer:

Negative Charge

Explanation:

Answer:

Explanation:

Determine the treatments you’ll be using on your eggs, and prepare the substances you’ll need. You can make salt-water solutions by dissolving different amounts of table salt in containers of water (e.g. 100g, 200g, 300g of salt (NaCl) per liter). You can make solutions of food coloring by adding a few drops of each color into containers of  

The Eggsperiment with Vinegar solution. The first experiment conducted was the egg placed in vinegar solution which allowed the egg to become soft and bouncy . Vinegar is a weak acid which is 5% acetic acid in water (meaning vinegar is largely just water). The egg has a shell that is made up of calcium carbonate   an air cell forms at the large end of the egg. While the embryo is growing, the shell membranes surround and contain the white or albumen of the egg. The albumen provides the liquid medium in which the embryo develops, and it also contains a large amount of the protein necessary for proper development. I hope this was hopeful

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Answer:

2 moles of C and no more

Explanation:

Consider the following reaction: 2A + 3B --> 2C If you have 2 moles of A and 6 moles of B, what is the maximum number of moles of C that can be made by the reaction

2A + 3B --> 2C '

2 of A make 2 of C if we have atleast 3 of B.

we ave more than enough B

2 of A will make 2 moles of C and no more

Answer:

A

Explanation:

will group 2 elements gain electrons to bond with non-metals in group 16 in a 2:1 ratio

Answer:

The momentum is then (10 kg)(5 m/s)= 490.5 kg-m/s

Explanation:

Answer is A