If a neutral compound is composed of carbon and hydrogen and you know that it has exactly 2 carbons connected by a double bond, how many hydrogens will the compound have?

Answer:

the process shown here is endocytosis.

Explanation:

endocytosis is a process of taking something inside the cell..

Answer:

Mass of ascorbic acid in the pill = 7.152 x 176.1/1000 = 1.26 g

Explanation:  

The mass of ascorbic acid in the pill would be,  

1.26 g  

Now,  

Moles of ascorbic acid = Moles of NaOH = 0.447 M x 16 ml = 7.152 mmol  

Mass of ascorbic acid in the pill = 7.152 x 176.1/1000 = 1.26 g

The specific heat of the unknown metal is 0.859 J/g⁰C.

Heat lost by the unknown metal = Heat gained by water

m₁c₁Δθ₁ = m₂c₂Δθ₂

where;

(15)(c₁)(99 - 26) = (75)(4.18)(26 - 23)

1095c₁ = 940.5

c₁ = 940.5/1095

c₁ = 0.859 J/g⁰C

Learn more about specific heat here: https://brainly.com/question/16559442

#SPJ1

Answer:

Explanation:

ANSWER:

the need for food, the need for air, and need for a place to live.

Live need water but here in the picture we didn't saw water; so we can't choose water;

Answer:Activation Energy

Explanation:

the balanced equation of the reaction :NaBr + C4H9OH → C4H9Br + Na OH Sodium Bromide (NaBr) is the limiting reagent in the experiment, not 1-butanol.

The limiting reagent in the experiment between sodium bromide and 1-butanol is sodium bromide.What is a limiting reagent ?A limiting reagent is a reactant in a chemical reaction that restricts the yield of the product. It means the reaction can't go on forever because the reagents are consumed up. In general, the limiting reagent determines the amount of products that can be produced during a reaction .In the given chemical reaction between sodium bromide and 1-butanol, it is essential to know which reactant is the limiting reagent.  the balanced equation of the reaction :NaBr + C4H9OH → C4H9Br + Na OH Sodium Bromide (NaBr) is the limiting reagent in the experiment, not 1-butanol.To identify the limiting reagent, you need to know the balanced chemical equation, the amounts or concentrations of the reactants, and their stoichiometric ratios. With that information, we can compare the actual amounts of each reactant to their stoichiometric ratios to determine which one will be completely consumed and thereby limit the reaction.

to know more about stoichiometric, visit

https://brainly.com/question/14935523

#SPJ11

The mole fraction of the solute in this solution is 0.333.

The mole fraction, represented by χ, is a measure of the amount of one component of a solution relative to the total number of moles in the solution. It is defined as the number of moles of solute divided by the total number of moles in the solution.
Mole fraction can be used to calculate various properties of solutions, such as vapor pressure, boiling point elevation, freezing point depression, and osmotic pressure.

It is an important concept in physical chemistry and is often used in chemical engineering applications.
To calculate mole fraction, one must know the number of moles of each component in the solution. Let's say we have a solution containing 5 moles of solute and 10 moles of solvent. The mole fraction of the solute can be calculated as follows:
χsolute = number of moles of solute / total number of moles in solution
χsolute = 5 / (5 + 10)
χsolute = 0.333
It is important to note that mole fraction is a dimensionless quantity and is expressed as a ratio or a decimal fraction. The sum of the mole fractions of all components in a solution is always equal to 1.
In summary, mole fraction is a measure of the relative amount of one component in a solution and is calculated by dividing the number of moles of solute by the total number of moles in the solution. It is used to calculate various properties of solutions and is an important concept in physical chemistry.

for such more questions on  solution

https://brainly.com/question/25326161

#SPJ8

Note- The complete question is not available in search engine.

Answer:

0.375 moles of CaCO₃ are required

Explanation:

Given data:

Number of moles of sulfamic acid = 0.75 mol

Number of moles of calcium carbonate required = ?

Solution:

Chemical equation:

2H₃NSO₃ + CaCO₃     →        Ca(SO₃NH₂)₂ + CO₂ + H₂O

Now we will compare the moles of H₃NSO₃  and CaCO₃ .

                H₃NSO₃           :            CaCO₃  

                     2                 :             1

                   0.75              :           1/2×0.75 = 0.375 mol

Thus, 0.375 moles of CaCO₃ are required.

The moles of the product and the reactant in the reaction is given by the stoichiometric law. The moles of calcium carbonate in the reaction is 0.375 mol.

The stoichiometric law defines that the moles of the reactant and the product in the reaction is equivalent to the stoichiometric coefficient in the balanced chemical equation.

From the given balanced chemical equation, 1 mole of calcium carbonate reacts with 2 moles of sulfamic acid.

The moles of calcium carbonate react with 0.75 moles of sulfamic acid is:

\(\rm 2\;mol\;H_3NSO_3=1\;mol\;CaCO_3\\0.75\;mol\;H_3NSO_3=\dfrac{1}{2}\;\times\;0.75\;mol\;CaCO_3\\ 0.75\;mol\;H_3NSO_3=0.375\;mol\;CaCO_3\)

The moles of calcium carbonate in the reaction will be 0.375 mol.

Learn more about moles reacted, here:
https://brainly.com/question/24817060

The given statement "hydrogen bonding is crucial to the transpiration-cohesion-tension mechanism" is true because it enables the cohesive properties of water that allow for efficient water transport in plants.

The transpiration-cohesion-tension mechanism is the process by which water is transported through the xylem tissue of plants from the roots to the leaves. This mechanism relies on the cohesion of water molecules and the tension created by transpiration (the loss of water vapor through the stomata of leaves).

Hydrogen bonding, which is a type of chemical bonding between the hydrogen atom of one molecule and the electronegative atom of another molecule, is crucial to the transpiration-cohesion-tension mechanism. The cohesion of water molecules is due to the presence of hydrogen bonds between adjacent water molecules.

As water molecules evaporate from the surface of leaves during transpiration, they create a negative pressure (tension) that pulls additional water molecules up through the xylem tissue. This process of water transport is only possible due to the strong hydrogen bonds between water molecules, which allow them to stick together and resist the force of gravity.

To learn more about hydrogen bonding, here

https://brainly.com/question/17659933

#SPJ4

Answer:

It can lose it's electrion

Explanation:

A 50-mL vial of SENSORCAINE/EPINEPHRINE solution contains approximately 0.25 mg of epinephrine. This is calculated based on the concentration of 1:200,000 w/v in the solution.

To determine the amount of epinephrine (mg) in a 50-mL vial of SENSORCAINE/EPINEPHRINE solution, we need to consider the concentration of epinephrine in the solution. The solution contains 1:200,000 w/v epinephrine, which means that for every 1 part of epinephrine, there are 200,000 parts of the solution.

To calculate the amount of epinephrine in the solution, we can use the following formula:

Amount of epinephrine = Total volume of solution (mL) × Concentration of epinephrine (mg/mL)

In this case, the total volume of the solution is 50 mL, and the concentration of epinephrine is 1:200,000 w/v. To convert the concentration to mg/mL, we divide 1 mg by 200,000 mL:

Concentration of epinephrine (mg/mL) = 1 mg / 200,000 mL = 0.000005 mg/mL

Finally, we can calculate the amount of epinephrine in the 50-mL vial:

Amount of epinephrine = 50 mL × 0.000005 mg/mL = 0.00025 mg

Rounding to the nearest hundredth, the amount of epinephrine in a 50-mL vial of SENSORCAINE/EPINEPHRINE solution is 0.25 mg.

To know more about EPINEPHRINE ,

https://brainly.com/question/28165898

#SPJ11

Answer:

b

Explanation:

Explanation:

\(wavelength= 435 \times {10}^{ - 9} m\)

\(a. \: frequency= \frac{speed \: of \: violet \: light}{wavelength} \)

\(f = \frac{3 \times {10}^{8} }{435 \times {10}^{ - 9} } \)

\(f = 0.00689\times {10}^{ 17} hz\)

\(f = 6 .89 \times {10}^{14} hz\)

\(b. \: Energy = h \times f\)

\( = 6.626 \times {10}^{ - 34} \times 6.89 \times {10}^{14} \)

\( = 45.65 \times {10}^{ - 20} Joules\)

The value of ∆G for the reaction at 298 K when the partial pressures of A and B are 7.10 atm and 0.330 atm is -14570.7 J/mol. To find ∆G for the reaction, we can use the equation:
∆G = -RTln(Kp)

Step 1: So, the equation is ∆G = -RTln(Kp)
where R is the gas constant (8.314 J/mol*K), T is the temperature in Kelvin (298 K), and Kp is the equilibrium constant in terms of partial pressures.

Step 2: We are given Kp = 0.621, so we can plug that in:
∆G = - (8.314 J/mol*K) * 298 K * ln(0.621)
∆G = - 4140.5 J/mol
Now we need to adjust this value to take into account the partial pressures of the reactants and products. We can use the equation:
∆G = ∆G° + RTln(Q)
where ∆G° is the standard free energy change at standard conditions, and Q is the reaction quotient, which is the ratio of the product of the partial pressures of the products raised to their stoichiometric coefficients, to the product of the partial pressures of the reactants raised to their stoichiometric coefficients.

Step 3: For this reaction, Q = (Pb)^3 / Pa, where Pa is the partial pressure of A and Pb is the partial pressure of B. Plugging in the given values, we get:
Q = (0.330 atm)^3 / (7.10 atm)
Q = 0.00426
To find ∆G°, we can use the equation:
∆G° = -RTln(K)
where K is the equilibrium constant in terms of concentrations. We can convert Kp to K using the equation:
K = Kp(RT)^∆n

Step 4: where ∆n is the difference in moles of gas between products and reactants. In this case, ∆n = (3 moles of B) - (1 mole of A) = 2, so we get:
K = 0.621 * (8.314 J/mol*K * 298 K)^2
K = 4.86 * 10^-3
Plugging this into the equation for ∆G°, we get:
∆G° = - (8.314 J/mol*K) * 298 K * ln(4.86 * 10^-3)
∆G° = - 12812.2 J/mol

Step 5: Finally, we can use the equation for ∆G to calculate the value at the given pressures:
∆G = ∆G° + RTln(Q)
∆G = - 12812.2 J/mol + (8.314 J/mol*K) * 298 K * ln(0.00426)
∆G = - 14570.7 J/mol

Therefore, the value of ∆G for the reaction at 298 K when the partial pressures of A and B are 7.10 atm and 0.330 atm is -14570.7 J/mol.

Learn more about pressures at

brainly.com/question/30673967

#SPJ11

the standard heat of combustion of propane is `-2220.1KJ mol^(-1)` .

Answer:

the equation is balanced

Answer:

+4

Explanation:

In PbO2, oxygen exhibits an oxidation number of -2 (since it's not a peroxide or superoxide):

Let the oxidation number of Pb be x. Then, for the compound to be neutral, the oxidation numbers of all atoms should add up to zero.

⇒ x + (−2) + (−2) = 0

x = +4

So the oxidation no. of Pb is +4.

I hope this helps.

The largest atom will be the one with the greatest number of protons and neutrons. To know which one of them is, we have to compare molecular masses and the greatest one will be the one of the largest atom.

From the given, iodine is the element with the greatest molecular mass, it means that this is the element with the largest neutral atom.

The answer is iodine.

there are 4 sig figs

Answer:

0.01.

Explanation:

This is because, if you divided one rectangle by ten, it will give 0.1

That is 1/10 = 0.1

If each of the smaller rectangles is divided by 10.

It will be 0.1/10 which will be equal to 0.01.

The rectangles will be 0.01 each.

Answer:

A. would be your answer

thanks

The chemical formula for the ionic compound magnesium chlorate is \(Mg(ClO_{3} )_{2}\) i.e., option A is correct.

Metals and non-metals interact to produce ionic compounds. To get the closest configuration of a noble gas, an element can either acquire or lose electrons.

By either losing or gaining electrons, this aids in their stabilization after the completion of the octet. In order to complete their octet, non-metals often absorb electrons, whereas metals lose their electrons.

Here, the magnesium gives off 2 electrons and the chlorate ion (\(ClO_{3}\)) gives one electron to the magnesium chlorate, which is formed as a part of the reaction.

Therefore, the correct option is A, \(Mg(ClO_{3} )_{2}\).

Learn more about ionic compounds here:

brainly.com/question/30420333

#SPJ3

In any aqueous solution at 25°C, the ionic-product of water (Kw) is a constant value equal to 1.0 x 10⁻¹⁴ mol²/L².

Due to the auto-ionization or self-ionization of water, water molecules dissociate into hydronium ions (H₃O⁺) and hydroxide ions (OH⁻). At 25°C, the Kw is equal to 1.0 x 10⁻¹⁴ mol²/L².

This constant value of Kw plays a crucial role in understanding the acidity and basicity of aqueous solutions. It helps to establish the relationship between the concentrations of hydronium and hydroxide ions, as their product remains constant at a given temperature. The pH and pOH scales are derived from this relationship, providing a convenient method for measuring the acidity or basicity of a solution.

In summary, the ionic-product of water, Kw, remains constant at 1.0 x 10⁻¹⁴ mol²/L² for any aqueous solution at 25°C. This constant is a result of the auto-ionization of water and helps to understand the relationship between hydronium and hydroxide ions in the context of acidity and basicity.

Learn more about ionic-product of water here: https://brainly.com/question/31640554

#SPJ11

Answer:

See below

Explanation:

From the equation you can see 5  mole O2   results in   3 moles CO2

( this is the limiting reagent because   C3H8 : O2  is   1:5)

6.2 / 5   *  3  = 3.72 moles CO2 produced

CO2 weighs ~ 44 gm/mole      44 gm/mole * 3.72 mole = 163.68 gm of CO2  

When an aluminum single crystal is pulled in the [110] direction, we need to determine the slip plane that will have zero resolved shear stress. In aluminum, the most common slip systems are {111} planes and <110> directions, and they are responsible for plastic deformation.

In the [110] direction, the {111} planes are perpendicular to the direction of loading. Since resolved shear stress is calculated by taking the dot product of the applied stress and the slip direction, the resolved shear stress on {111} planes will be zero because the dot product of the normal to the plane and the loading direction is zero.

To understand why this happens, we can consider the crystal structure of aluminum. The face-centered cubic (FCC) crystal structure of aluminum consists of close-packed planes of atoms. The {111} planes are the most densely packed planes in the FCC structure and are oriented at 70.5 degrees to the [110] direction. When an external load is applied in the [110] direction, the atomic planes slide past each other along the <110> directions, resulting in plastic deformation.

Since the {111} planes are perpendicular to the [110] direction, the resolved shear stress on these planes will be zero. The slip will occur on other planes and in other directions. The slip planes that have non-zero resolved shear stress will depend on the specific crystal orientation and the applied stress conditions.

In summary, when an aluminum single crystal is pulled in the [110] direction, the {111} planes will have zero resolved shear stress. The plastic deformation and slip will occur on other planes and in other directions that are not perpendicular to the loading direction.

Learn more about Shear Stress :

https://brainly.com/question/30464657

#SPJ11

Answer:

who do I submit my questions to there is no submit or done sign I download this app for help not to waste my money and time. I need help with math please don't let us start off on the wrong foot

The overall equation for the reaction that produces CCl₄ and HCl from CH₄ and Cl₂ is as follows: CH₄(g) + 4Cl₂(g) = CCl₄(g) + 4HCl(g) (option B).

A chemical reaction is typically a process involving the breaking or making of interatomic bonds, in which one or more substances are changed into others.

According to this question, methane and chlorine gas reacts to form carbon tetrachloride and hydrogen chloride. The balanced chemical equation is as follows:

CH₄(g) + 4Cl₂(g) = CCl₄(g) + 4HCl(g)

Therefore, option B is the correct answer

Learn more about chemical reaction at: https://brainly.com/question/29039149

#SPJ1

At a temperature of 150 °C and a pressure of 1 atm, the maximum volume that 5 moles of gas produced by the full breakdown of 1 mole of Ca(NO3)2 would occupy are 17.1 L.

Would occupy at a temperature of 150 °C and 1 atm pressure. Using the ideal gas formula, PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature, it is possible to determine the maximum volume of the gas created. The volume of 5 moles of gas at 150 °C (423 K) and 1 atm pressure can be computed as follows:

V = (nRT)/P = (5 mol x 0.0821 L/atm/mol/K/423) K / 1 atm = 17.1 L

The balanced equation predicts that 2 moles of Ca(NO3)2 will result in 4 moles of NO2 and 1 mole of O2. As a result, 1 mole of Ca(NO3)2 completely decomposes into 4 moles of gas and 1 mole of solid.

to know more about nitrate decomposition here;

brainly.com/question/30553550

#SPJ1