C3H8 combusts. molar masses: tricarbon octahydride: 44.11 g/mol oxygen gas: 32 g/mol water: 18.02 g/mol carbon dioxide: 44.01 g/mol a. Write a balanced chemical reaction. b. If 5.34 g of tricarbon octahydride reacts with 25.2 g of oxygen gas, what is the limiting reactant?

Answer:

D

Explanation:

Reaction A is chemical, while Reaction B is nuclear, is the proper response. Electrons are involved in chemical processes that take place outside of the atomic nucleus and release modest quantities of energy.

On the other hand, nuclear processes, which take place inside the atomic nucleus and include neutrons, release comparatively high levels of energy. The terms "weak nuclear" and "strong nuclear," which describe the forces that hold protons and neutrons together in the nucleus, are inapplicable in this situation.

These forces are not present in chemical and nuclear reactions, which are fundamentally distinct processes. Nuclear reactions entail the conversion of one element into another, whereas chemical reactions require the building and breaking of chemical bonds.

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They might alter the environment's temperature after figuring out the ideal pH to test if catalase has a temperature preference. Heat, ph changes, or chemical exposure can all cause proteins

What is a catalase purposes?

The important enzyme catalase feeds on peroxide, a nonradical ROS. This enzyme is in charge of neutralizing hydrogen peroxide through its breakdown, so preserving an optimal level of the chemical in the cell, which is also necessary for the process of cellular communication.

How and where is catalase was using?

Numerous industrial uses exist for catalase. It is used with the other enzymes inside the food industry to preserve foods, make particular dishes and beverages, and preserve foodstuffs. Likewise, commercial catalases

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The negatively charged electron in the plum pudding model, however, is smaller than an atom and is negatively charged.

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The right answer is Proton.

Additional Information:

There are three types of subatomic particles. They are:

Proton is a positively charged particle,Electron is negatively charged particle and Neutron is charge less.

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Answer:

C. It received genes that are exactly the same as the parent's genes

In asexual reproduction in hydra,offspring has no genetic variation from the parent because it received genes that are exactly the same as the parent's genes.

Asexual reproduction is a type of reproduction where the offsprings are  not produced by the combination of genetic material of two individuals which are of different sexes rather they are produced by a single parent.

It is the  not the dominant form of reproduction in living beings.Here, the offsprings are identical to their parents as there is no recombination of genetic material.It is observed in both unicellular or multicellular organisms.

There is no fertilization or gamete formation taking place.Types of asexual reproduction include budding, binary fission,fragmentation,etc.

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Yeast is a type of fungus that can ferment certain substances, meaning it breaks down sugars and converts them into alcohol and carbon dioxide. The ease with which a substance is fermented by yeast depends on a few factors, including the type of yeast being used and the composition of the substance itself.

Generally speaking, substances that contain a high amount of simple sugars are more easily fermented by yeast. This is because yeast is able to quickly and efficiently break down these sugars into alcohol and carbon dioxide. Examples of substances that are easily fermented by yeast include fruit juices, honey, and molasses.

On the other hand, substances that are more complex or contain less sugar may be more difficult for yeast to ferment. For example, yeast may have a harder time breaking down starches, such as those found in grains, without additional processing steps.

It's worth noting that different strains of yeast may also have varying levels of ability to ferment certain substances. Some strains may be better suited for fermenting certain types of beer or wine, for example, while others may be more effective at fermenting bread dough.

Overall, the ease with which a substance is fermented by yeast depends on a variety of factors, and may require some trial and error to determine the best approach for a particular substance.

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Answer:

the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).

Answer:

The main purpose of the expedition was to conduct a hydrographic survey of the coasts of the southern part of South America.

Answer: The reaction that occurs at anode is \(Zn(s)\rightarrow Zn^{2+}(aq.)+2e^-\)

Explanation:

Given : \(E^o_{Zn^{2+}/Zn}=-0.76V\)

\(E^o_{Cu^{2+}/Cu}=+0.34V\)

The substance having highest positive reduction potential will always get reduced and will undergo reduction reaction. Here, copper will undergo reduction reaction will get reduced.

The substance having highest negative reduction potential will always get oxidised and will undergo oxidation reaction. Here, zinc will undergo oxidation reaction will get oxidised.

Oxidation reaction occurs at anode and reduction reaction occurs at cathode.

Oxidation half reaction (anode) : \(Zn(s)\rightarrow Zn^{2+}(aq.)+2e^-\)

Reduction half reaction (cathode) : \(Cu^{2+}(aq.)+2e^-\rightarrow Cu(s)\)

The concentration of A decreases and then levels out. Option A

In many chemical reactions, a reactant is consumed as the reaction progresses, leading to a decrease in its concentration over time. The reactant molecules are transformed into products, and as the reaction proceeds, the concentration of the reactant gradually diminishes.

At equilibrium, the concentrations of both reactants and products remain relatively constant over time, although they can coexist.

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Answer: The molecular formula of ammonia is NH3.

Explanation:

Ammonia and calcium carbonate are two separate compounds, each with their own molecular formulas.

The molecular formula of ammonia is NH3. It consists of one nitrogen (N) atom bonded to three hydrogen (H) atoms.

The molecular formula of calcium carbonate is CaCO3. It consists of one calcium (Ca) atom bonded to one carbonate ion (CO3), which in turn consists of one carbon (C) atom bonded to three oxygen (O) atoms.

Therefore, there is no single molecular formula for "ammonia calcium carbonate" as it refers to a combination of two distinct compounds.

Answer:

B. CaCl₂ + H₂CO₃  → CaCO₃ + 2HC

Explanation:

A balanced reaction has the same number of atoms in the both sides of the reaction. In the options:

A. CaCl₂ + H₂CO₃ → 2CaCO₃ + HCI

In this reaction there is 1 Ca in reactants and 2 in products -The reaction is unbalanced-

There is 1 Ca is both sides, 2Cl, 2H, 1C and 3 Oxygens -The reaction is balanced

C. CaCl₂ + 2H₂CO₃ → CaCO₃ + HCI

There is 1 Ca in both sides but 2Cl in reactants and 1 in Cl -The reaction is unbalanced-

D. 2CaCl₂ + H₂CO₃ →CaCO₃ + HCI

There are 2 Ca in reactants and 1 in Ca -The reaction is unbalanced-

False. The addition of a solute to a solvent typically lowers the freezing point of the solution compared to the freezing point of the pure solvent.

This is due to the fact that the solute particles interfere with the arrangement of the solvent particles, which makes it more difficult for the solution to freeze. As a result, the solution has to be cooled to a lower temperature in order for it to freeze, which results in a lower freezing point compared to the pure solvent. Freezing point depression is a colligative property, which means that it depends on the concentration of solute particles in the solution, rather than on their chemical nature. When a non volatile  solute (a solute that does not evaporate at room temperature) is dissolved in a solvent, it increases the number of solute particles in the solution. These solute particles interfere with the arrangement of the solvent particles, making it more difficult for the solvent to freeze. As a result, the solution has to be cooled to a lower temperature in order for it to freeze, which results in a lower freezing point compared to the pure solvent. To summarize, the addition of a non volatile solute to a solvent typically lowers the freezing point of the solution, and therefore the statement "The freezing point of the solution is unchanged by the addition of the solvent" is false.

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Answer: Barium hydroxide octahydrate

Explanation:

The final volume of the Oxygen O2 would simply be equivalent to the overall volume of the final mixture. This is because gases would occupy every space of its container. So in this case, the volume of CO2 and O2 would be the same and it would be 30 L. What would be different is the partial pressures of each.

Answer:

 30 L

A 50. 0 ml sample of a 1.00 M solution of a diprotic acid is titrated with 2 M NaOH. The minimum volume of 2.00 m NaOH needed to reach a pH of 10 is 37.5 mL.

The molarity = 1 M

The volume = 50 mL

The moles of the diprotic acid = molarity × volume in L

The moles of the diprotic acid = 1 × 0.050

The moles of the diprotic acid = 0.050 mol

At the equivalence point, the moles of the diprotic acid is equals to the moles of the base = 0.050 mol.

At the 1st half equivalence:

pH = pka1 = 6

At the 2nd half equivalence :

pH = pka2 = 10

When the half reaction will occurs when we add 0.025moles of NaOH :

The total moles of NaOH  = 0.075 moles

The volume of NaOH = 0.075 / 2

                                    = 0.0375 L

                                     = 37.5 mL

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Answer:

A ball is thrown straight up from a rooftop 320 feet high. The formula below describes the ball's height above the ground, h, in feet, t seconds after it was thrown. The ball misses the rooftop on its way down and eventually strikes the ground. How long will it take for the ball to hit the ground? Use this information to provide tick marks with appropriate numbers along the horizontal axis in the figure shown.

h=-16t^2+16t+320

Answer:

Friction is the force that opposes the motion of a solid object over another. There are mainly four types of friction: static friction, sliding friction, rolling friction, and fluid friction.

Answer:According to the Darwin’s theory “ the survival of the fittest” , any organism would survive through the process of natural selection by  adapting itself  to the changing environment in order to become the fittest among all of its native species.  

Thus, in order to survive even after some major environmental changes, an organism is required to adapt to the new conditions.  

Hence, option 2 is the correct answer which talks about adaptation as per the changing environmental condition

Explanation:

A covalent bond bond is appropriately described as occurring when one or even more electrons move of one atom to another.

a bond in which the two bound atoms' electron densities are unequally distributed as a result of either a difference in the electronegativity or the effects of induction.

A covalently bonded bond is represented by the water molecule, written as H2O. The oxygen atom is given more time with the electrons than for hydrogen atoms due to the unequal distribution of the electrons.

The electron is an unit of matter with a negative zero elementary charge electric charge. Due to their lack of known components, electrons, which are part of the first generation of lepton particles family, are typically regarded to be elementary particles or substructure

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Answer:

Name: Ecoflame P-214

Explanation:

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im friends with someone in chem

The first step of the reaction, we have  reaction between a nucleophile and an electrophile.

We can see that in the first step of the reaction, we have  reaction between a nucleophile and an electrophile. In this case, the electrophile would have to be an alkyl halide which produces a carbocation as show in the image attached. What we have here is quite similar or  like most of the organic reactions, this reaction occurs in a number of detailed or smaller steps and each step of the reaction is going to help to bring us closer to the end product of the entire steps of the reaction which is wat we target as we carry out the particular reaction.The second step involves the reduction of the alkyne with the use of a Lindlar catalyst. As such the reaction is poisoned and it stops at the alkyne stage rather than going on to obtain the alkane.

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According to the stoichiometry of the chemical equation, 0.895 moles of aluminium metal is needed to produce 500. g of Iron.

It is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.

Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.

53.96 g Al gives 111.68 g Fe thus 50 g Fe requires 50×53.96/111.68=24.15 g which is 24.15/26.98 = 0.895 moles.

Thus,  0.895 moles of aluminium metal is needed to produce 500. g of Iron.

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Answer:

Check the image below for the answer. I have successfully dragged each label to the correct location. Also, I have labelled the endothermic and exothermic reactions.

Explanation:

The first diagram (by the left) is an endothermic reaction. In this reaction, the products are higher in energy than the reactants. Heat/Energy is absorbed in this reaction and enthalpy is positive.

In second diagram (by the right) is an exothermic reaction. In this reaction, the reactants are higher in energy than the products. In this reaction, heat/energy is released.

Answer:

guy above me is correct

Explanation:

Answer:

is this true/false? if so its true.

Explanation:

The number of protons in the element is 33.

From the information provided we can find the relative atomic mass of the element as follows;

RAM = (0.241 × 75.23) + (0.487  × 74.61) + (0.272 × 75.20)

RAM = 18.13 + 36.34 + 20.45

RAM = 74.92  amu

The element with relative atomic mass of 74.92 amu is Arsenic.

The atomic  number of arsenic is 33. This is the number of protons in its nucleus. Therefore, the number of protons in the element is 33.

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