Given the balanced equation representing a
reaction: 4Al(s) + 30₂(g) → 2Al₂O,(s)
How many moles of oxygen react with 12 moles of aluminum?

Answer:

B. Interferon

Explanation:

interferon targets any lingering melanoma cells and prevents them from spreading and growing.

Taking into account the reaction stoichiometry, 3.33 moles of ammonia are produced when 5.0 moles of hydrogen react with excess nitrogen.

In first place, the balanced reaction is:

N₂ + 3 H₂ → 2 NH₃

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The following rule of three can be applied: if by reaction stoichiometry 3 moles of hydrogen form 2 moles of ammonia, 5 moles of hydrogen form how many moles of ammonia?

\(moles of ammonia=\frac{5 moles of hydrogenx 2 moles of ammonia}{3 moles of hydrogen}\)

moles of ammonia= 3.33 moles

Finally, 3.33 moles of ammonia are produced when 5.0 moles of hydrogen react with excess nitrogen.

Learn more about the reaction stoichiometry:

brainly.com/question/24741074

brainly.com/question/24653699

#SPJ1

Answer:

According to google, "About five million million hydrogen atoms could fit. Some factors would affect that number like the area of the head and the size of atoms (as well as attractions between atoms). Some atoms are larger than others." Is this accurate? I'm not sure. Good luck! :)

The final temperature of the gas is approximately 40.96 Kelvin.

To determine the final temperature of the gas, we can use the ideal gas law, which states:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles of the gas, R is the ideal gas constant, and T is the temperature in Kelvin.

First, let's convert the given temperatures to Kelvin. We have:

Initial temperature: -125 degrees Celsius = 148 K (approximate)

Final temperature: Unknown

The initial conditions of the gas are as follows:

Initial pressure (P1) = 1.25 atm

Initial volume (V1) = 1250 mL = 1.25 L (since 1 L = 1000 mL)

Initial temperature (T1) = 148 K

The final conditions of the gas are as follows:

Final pressure (P2) = 50.0 atm

Final volume (V2) = 325 mL = 0.325 L

Final temperature (T2) = Unknown

Using the ideal gas law, we can set up the following equation:

(P1 * V1) / T1 = (P2 * V2) / T2

Substituting the known values:

(1.25 atm * 1.25 L) / 148 K = (50.0 atm * 0.325 L) / T2

Simplifying the equation:

T2 = (50.0 atm * 0.325 L * 148 K) / (1.25 atm * 1.25 L)

T2 = 40.96 K

For more such questions on temperature visit;'

https://brainly.com/question/4735135

#SPJ8

How close the magnets are together and which direction the poles are pointed to

When alcohol enters the mouth, it does not get absorbed into the bloodstream. Although the alcohol's flavor can be tasted, and a small amount of it can be absorbed through the mouth's tissues, alcohol is mostly absorbed into the bloodstream through the walls of the stomach and the small intestine.

The amount of alcohol absorbed into the bloodstream is determined by the concentration of alcohol in the drink consumed, as well as the amount consumed. Other factors that influence the rate of absorption of alcohol include the person's gender, weight, and how fast their body metabolizes the alcohol.Below is a brief explanation of the process of alcohol absorption into the bloodstream:When alcohol is consumed, it enters the stomach and is quickly absorbed into the bloodstream through the stomach walls. However, the rate at which the stomach empties its contents into the small intestine, where most alcohol is absorbed, affects the rate of absorption. When the stomach contents, which contain alcohol, are emptied into the small intestine, the alcohol is absorbed more quickly into the bloodstream.The alcohol concentration in the bloodstream reaches its peak around 30 to 90 minutes after consumption, depending on various factors. Alcohol, on the other hand, is metabolized and broken down in the liver, which eliminates it from the body.

To know more about bloodstream visit :

brainly.com/question/13537877

#SPJ11

Answer:

−7.389056fo3+5.436564f

−l2o3+2l

Explanation:

2al+f(2.7182822)o3=al2o3+2f(2.718282)

Step 1: Add -al^2o^3 to both sides.

7.389056fo3+2al+−al2o3=al2o3+5.436564f+−al2o3

−al2o3+7.389056fo3+2al=5.436564f

Step 2: Add -7.389056fo^3 to both sides.

−al2o3+7.389056fo3+2al+−7.389056fo3=5.436564f+−7.389056fo3

−al2o3+0fo3+2al=−7.389056fo3+5.436564f

Step 3: Factor out variable a.

a(−l2o3+2l)=−7.389056fo3+5.436564f

Step 4: Divide both sides by -l^2o^3+2l.

a(−l2o3+2l)

−l2o3+2l

=

−7.389056fo3+5.436564f

−l2o3+2l

a=

−7.389056fo3+5.436564f

−l2o3+2l

The three things that are needed for precipitation to form are water vapor, lifting action, and freezing temperatures. When warm moist air is lifted, it cools and condenses into clouds.

If the air continues to cool and the temperature drops below freezing, the water droplets freeze and become ice crystals.

These ice crystals then collide and merge with other ice crystals, forming larger snowflakes or hailstones. Finally, when these snowflakes or hailstones become too heavy to be supported by the updrafts in the cloud, they fall to the ground as precipitation.

Additional terms such as convective turning, growth process, and steady rotation of wind may also contribute to the formation of precipitation in certain weather conditions.

To know more about precipitation, refer here:

https://brainly.com/question/18109776#

#SPJ11

The volume of CO₂ generated under condition of STP in the reaction :

CaCO₃   +  2HCl   ----->   CaCl₂   +   H₂O   +   CO₂ is  12.5 mL.

The reaction is given as :

CaCO₃   +  2HCl   ----->   CaCl₂   +   H₂O   +   CO₂
mass of CaCO₃  = 750 mg = 0.75 g

molarity of HCl = 0.100 M

volume of HCl = 25 mL = 0.025 L

moles of CaCO₃  = 0.75 / 100

                            = 0.0075 mol

moles of HCl = 0.100 × 0.025

                       = 0.0025 mol

here HCl is limiting reagent , formation of CO₂ depends on HCl

2 moles of HCl = 1 mole of CO₂

0.0025 mol of HCl = 0.0025 / 2

                               = 0.00125 mol

volume of CO₂ = moles / molarity

                          = 0.00125 / 0.100

                         = 0.0125 L = 12.5 mL

To learn more about moles here

https://brainly.com/question/29724957

#SPJ4

The molarity of a solution of KNO₃ (molecular mass = 101) that contains 404 grams of KNO₃ in 2.00 liters of solution is 0.500 M. Option C is correct.

Molarity is defined as the number of moles of solute per liter of solution. To calculate the molarity of the given solution of KNO₃, we first need to calculate the number of moles of KNO₃ present in the solution.

Number of moles of KNO₃ = mass of KNO₃ / molar mass of KNO₃

                                             = 404 g / 101 g/mol

                                              = 4.00 mol

Now, we can calculate the molarity of the solution using the formula:

Molarity = number of moles of solute / volume of solution in liters

Molarity = 4.00 mol / 2.00 L

Molarity = 2.00 M

Therefore, the molarity of the solution is 0.500 M. Option C is correct.

To know more about the Molarity, here

https://brainly.com/question/15535677

#SPJ4

Answer:

B

that's all HAHA why do it have to be 20 characters to answerrr

The reactants of photosynthesis are: Carbon dioxide (CO2), Water (H2O), Light energy and products of photosynthesis are : Glucose (C6H12O6), Oxygen (O2).

Carbon dioxide (CO2): It is an atmospheric gas that enters the plant through tiny pores called stomata on the surface of leaves.

Water (H2O): It is absorbed by the plant roots from the soil and transported to the leaves through specialized tissues.

Light energy: It is captured by specialized pigments in the chloroplasts of plant cells, such as chlorophyll, and is used to power the photosynthetic reaction.

The products of photosynthesis are:

Glucose (C6H12O6): It is a sugar molecule that is synthesized during photosynthesis and is used by the plant as a source of energy for growth and metabolism.

Oxygen (O2): It is a byproduct of the photosynthetic process and is released into the atmosphere through the stomata.

Learn more about photosynthesis here:

https://brainly.com/question/29764662

#SPJ4

The volume of the weather balloon at 18,000 feet will be 2,567 L.

What is volume?

In physics and chemistry, volume refers to the amount of space that a substance or object occupies in three dimensions. It is typically measured in units such as liters (L) or cubic meters (m³), depending on the size and scale of the object being measured.

To solve this problem, we can use the combined gas law, which relates the pressure, temperature, and volume of a gas:

(P1V1)/T1 = (P2V2)/T2

where P1, V1, and T1 are the initial pressure, volume, and temperature (STP), and P2, V2, and T2 are the final pressure, volume, and temperature.

At STP, the temperature is 0°C or 273 K and the pressure is 1 atm. We can use these values to find the initial volume:

(P1V1)/T1 = (P2V2)/T2

(1 atm)(4,500 L)/(273 K) = (P2)(V2)/(228 K)

V2 = (P2)(4,500 L)(228 K)/(1 atm)(273 K)

Now we need to convert the temperature and pressure at 18,000 feet to Kelvin and atmospheres, respectively. To convert -45°C to Kelvin, we add 273 to get 228 K. To convert 0.485 atm to atmospheres, we divide by 1 atm to get:

P2 = 0.485 atm / 1 atm = 0.485

Now we can substitute these values into the equation to find the final volume:

V2 = (0.485)(4,500 L)(228 K)/(1 atm)(273 K)

V2 = 2,567 L

Therefore, the volume of the weather balloon at 18,000 feet will be 2,567 L.

To learn more about volume:

https://brainly.com/question/12410983

#SPJ1

All of the following are qualitative tests that are often used to identify unknown ionic compounds except titration.

Qualitative tests are conducted to determine the presence or absence of certain ions or compounds in a sample based on their characteristic reactions. Common qualitative tests include flame tests, precipitation reactions, color changes, and gas evolution tests.

Titration, on the other hand, is a quantitative technique used to determine the concentration of a specific substance in a solution by reacting it with a standardized solution of another substance. It is not typically used as a qualitative test for identifying unknown ionic compounds.

learn more about ionic compounds here

https://brainly.com/question/30420333

#SPJ11

Answer: O2+6H12O6=CO2+ENERGY(ATP)

I DON'T THINK SHE IS CORRECT

Explanation:

Answer:

matter

Explanation:

some elements are solid

some are liquid and gas

which under one property

Answer:

Boiling occurs when a liquid changes to a gas below its surface as well as at the surface. The temperature at which a liquid boils is called its boiling point. The opposite of vaporization is called condensation. Sublimation occurs when the surface particles of a solid gain enough energy that they form a gas.Boiling occurs when a liquid changes to a gas below its surface as well as at the surface. The temperature at which a liquid boils is called its boiling point. The opposite of vaporization is called condensation. Sublimation occurs when the surface particles of a solid gain enough energy that they form a gas.Boiling occurs when a liquid changes to a gas below its surface as well as at the surface. The temperature at which a liquid boils is called its boiling point. The opposite of vaporization is called condensation. Sublimation occurs when the surface particles of a solid gain enough energy that they form a gas.Boiling occurs when a liquid changes to a gas below its surface as well as at the surface. The temperature at which a liquid boils is called its boiling point. The opposite of vaporization is called condensation. Sublimation occurs when the surface particles of a solid gain enough energy that they form a gas.

Answer:

P₂ = 1.05 atm

Explanation:

Given data:

Initial temperature = 24.0 °C (24+273 = 297 K)

Initial pressure = 0.900 atm

Final pressure = ?

Final temperature = 75 °C (75 + 273 =348 K)

Volume = constant

Solution:

According to Gay-Lussac Law,

The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.

Mathematical relationship:

P₁/T₁ = P₂/T₂

Now we will put the values in formula:

0.900 atm / 297 K = P₂/348 K

P₂ = 0.900 atm × 348 K / 297 K

P₂ = 313.2 atm. K /297 K

P₂ = 1.05 atm

Answer:

A and D are the answers

Explanation:

the other two don't make sense

The statements C and D are correct, i.e., curly hair have different protein structure from straight hair and curly hair results from a change in the gene.

Proteins are biomolecules made of amino acids. Proteins are very essential to all living things and contributes the body structure. Proteins are mainly up taken through diet and they are the main source of energy.

Hair is made of keratin protein. Keratin makes up our skin and nails too.Curly hair is originating by birth not developing over time. Curly hair is more likely to be occurring through inheritance.

The protein structure the hair follicle is some more bend for curly hair. Curly hair and straight hair originates from different gene traits. The gene type is inherited from the parents.

Hence, for people with curly hair have different protein structure and it result from a change in gene that code for hair structure. Thus options C and D are correct.

To learn more about proteins, refer the link below:

https://brainly.com/question/2193769

#SPJ2

Answer:

D. Bonds are broken and new bonds are formed during chemical reactions only.

Explanation:

Physical changes do not result in the change of chemical composition or properties through the creation or destruction of bonds.

A solution that is created by adding 50 ml has a molarity of 9Moles. Nitric acid is an acid that produces one hydrogen ion and one nitrate ion.

The mass of the substance needed to produce a particular molar concentration and volume is determined by the molarity calculator.

We all know that a square meter is a unit of area and a cubic meter is a unit of volume. When we multiply length, breadth, and thickness, we obtain cubic meters, and when we multiply length by breadth, we get square meters.

The volume unit in the metric system is the milliliter, represented by the letters ml or ml. One cubic centimeter, or one liter, is equal to 1,000 milliliters. In the imperial system, that amounts to only 004 of a c.

To know more about molarity of a solution visit:-

https://brainly.com/question/16587536

#SPJ4

Answer:

[See Below]

Explanation:

✦ A beaker of liquid would measure the volume of a liquid.

✦ A graduated cylinder is good for estimating the volume of a liquid.

✦ You'd most likely use a tape measure to measure the wall length and width.

~Hope this helps Mate. If you need anything feel free to message me.

Answer:

C) are a result of hydrogen bonding

Explanation:

Cohesion, surface tension, and adhesion are the properties of water molecules that are a result of hydrogen bonding.

The initial concentration in the reaction mixture will contain [A] = 0.1 M and [B] = 1.0 M

Below is the reaction

A(g) → B(g)

And the equilibium constant will be explained in terms of [A] and [B]:

Keq = 10 = [B]/[A]

If the first conditions are that [A] = 1.1 M and [B] = 0.0 M, the conditions at equilibrium is:

[A] = 1.1M - x

[B] = 0.0M + x

Now we rewrite Keq:

Keq = 10 = [0.0 +x] / [1.1 -x]

at the end we got it  for x:

10 = [0.0 +x] / [1.1 -x]

10 * (1.1-x) = x

11 - 10x = x

11 = 11x

x = 1

equilibrium, the concentrations are:

[A] = 1.1 M - 1 = 0.1 M

[B] = 0.0 M + 1 = 1.0 M

Thus, the concentration of A is 0.1 M and the concentration of B is 1M.

learn more about concentration :

https://brainly.com/question/2728613

#SPJ4

The function of a power source in an electric circuit is to  provide a steady flow of electrons.

An electric circuit comprises of individual electronic components like resistors, diodes,transistors , capacitors,etc. which are connected to each other by means of wires through which electric current flows.It can also be referred to as an electronic circuit.

It usually comprises of at least one active component . The combination of wires and simple and complex components allows operations to be performed, amplification of signals, displacement of data and performing of computations.

Learn more about electric circuit,here:

https://brainly.com/question/29032441

#SPJ1

Answer:  a steady flow of electrons

Explanation:

Comparing the molar masses, we find that\(CClF3\) (Chlorotrifluoromethane) has the greatest molar mass (104.46 g/mol). It would have the greatest density among the given options at the same specified temperature and pressure.

To determine which gas will have the greatest density at the same specified temperature and pressure, we need to compare their molar masses. The gas with the highest molar mass will generally have the greatest density.

a) \(H2\) (Hydrogen gas) - Molar mass: 2.02 g/mol

b) \(CClF3\) (Chlorotrifluoromethane) - Molar mass: 104.46 g/mol

c) \(CO2\) (Carbon dioxide) - Molar mass: 44.01 g/mol

d) \(C2H6\) (Ethane) - Molar mass: 30.07 g/mol

e)\(CF4\) (Carbon tetrafluoride) - Molar mass: 88.01 g/mol

It's important to note that density can also be affected by factors such as temperature and pressure, but assuming the same specified conditions for all gases, the one with the highest molar mass generally has the greatest density.

To know more about molar masses refer to-

https://brainly.com/question/31545539

#SPJ11

Answer: PtF6

Explanation:  is one of seventeen known binary hexafluorides.

The element present in the third period and seventeenth group of the periodic table is chlorine (Cl).

Here is a step-by-step explanation:
1. Periods in the periodic table represent the number of electron shells or energy levels an atom has.
2. The third period corresponds to the third electron shell.
3. Groups in the periodic table represent the number of valence electrons an atom has.
4. The seventeenth group, also known as Group 17 or Group VIIA, is the halogens group.
5. Elements in the halogens group have 7 valence electrons.
6. Chlorine (Cl) is located in the seventeenth group, and it has 7 valence electrons.
7. Therefore, chlorine (Cl) is the element present in the third period and seventeenth group.

To know more about electrons visit:-

https://brainly.com/question/12001116

#SPJ11