Question 7: *
Which list includes three forms of energy?
1) thermal, nuclear, electronegativity
2) thermal, chemical, electromagnetic
3) temperature, nuclear, electromagnetic
4) temperature, chemical, electronegativity

Answer:

Using the combined gas law:

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

where:

P1 = 34.5 psi (initial pressure)

V1 = 32.2 L (initial volume)

T1 = 27°C + 273.15 = 300.15 K (initial temperature in Kelvin)

V2 = 31.04 L (final volume)

T2 = 43°C + 273.15 = 316.15 K (final temperature in Kelvin)

Solving for P2:

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

(34.5 psi x 32.2 L x 316.15 K) / (31.04 L x 300.15 K) = P2

P2 = 37.2 psi

Therefore, the new pressure in the tire is 37.2 psi when the temperature increases to 43°C and the volume decreases to 31.04 L.

Answer:

the potential energy is stored energy so when your going up a roller coaster your storing energy and gaining charger for it to release when you go down which is kinetic energy

Explanation:

hope this is what you were looking for

Answer:

Water is solvent and milk, tea powder and sugar is solute.

Explanation:

First take a specific mount of water in teapot which is a solvent and heat it for several minutes. After boiling of water, add 1 to 2 table spoon tea powder in water which is a solute and allow it for boiling. After that add milk and sugar according to your preference and tea is made which is a solution. The milk and sugar dissolve in the water but the tea powder did not dissolve so it can be filtrate with the help of filtration tool and all the residue trap at that tool while the tea is clean from all undissolved particles.

Answer:

because they are ionic bonded

Answer:

Explanation:

The kinetic energy of an object can be found by using the formula

\(KE = \frac{1}{2} m {v}^{2} \\ \)

where

m is the mass

v is the velocity

From the question we have

\(KE = \frac{1}{2} \times 35 \times {1.2}^{2} \\ = 17.5 \times 1.44 \)

We have the final answer as

Hope this helps you

Answer:

25.2 J

Explanation:

Using the kinetic energy formula:

KE = \(\frac{1}{2}\)m v²

Plug in the given values:

KE = \(\frac{1}{2}\) (35 kg) · (1.2 m/s)²

KE = \(\frac{1}{2}\) (35) · 1.44

KE = 17.5 · 1.44

KE = 25.2 J

There is a kinetic energy of 25.2 Joules.

So, the theoretical yield of aspirin in this reaction is 180.16 grams.To determine the theoretical yield of aspirin, we need to calculate the limiting reactant and use stoichiometry.First, let's find the number of moles for acetic anhydride and salicylic acid:

Molar mass of acetic anhydride (C4H6O3) = 102.09 g/molNumber of moles of acetic anhydride = mass / molar mass = 200 g / 102.09 g/mol = 1.96 molMolar mass of salicylic acid (C7H6O3) = 138.12 g/mol
Number of moles of salicylic acid = mass / molar mass = 138 g / 138.12 g/mol = 1 mol

Next, we need to compare the moles of each reactant to determine the limiting reactant. The reactant with fewer moles will limit the amount of product that can be formed. In this case, salicylic acid is the limiting reactant because it has fewer moles (1 mol) compared to acetic anhydride (1.96 mol).

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Some hydrocarbons are regarded as unsaturated because they contain double or triple bonds between adjacent carbon atoms.

Hydrocarbons are any organic compounds that contain hydrogen and carbon in its structure.

Hydrocarbons can be grouped into the following based on whether they contain single or double bonds:

Therefore, it can be said that some hydrocarbons are regarded as unsaturated because they contain double or triple bonds between adjacent carbon atoms.

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The oxidation of co (carbon monoxide) to less-harmful co₂ (carbon dioxide) and the oxidation of hc (unburned hydrocarbons) to co₂ (carbon dioxide) and h₂o (water).

What is oxidation?

One or more electrons are lost during the chemical reaction of oxidation, which takes place inside of an atom or molecule.

TWO-WAY CATALYTIC CONVERTERS

This structure allows the chemical reaction to happen by directing exhaust fumes to travel through the substrate that is made of the precious metals platinum and palladium. As the conversion process proceeds, the temperature of the exhaust gases rises.

This process generates a great deal of heat, hence the exhaust gases that exit the converter should be hotter than the gases that enter it. This also explains why most units need to have heat shields.

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Answer:

The answer would be

C. The number of neutrons

You're welcome <3

Answer:

Solving for: Speed

Equation (with words): S = d / t

Work (with numbers): S = 4 / 0.5

Answer w/ units: 8 m/s

To determine the molecular formula of the compound with the empirical formula CH, we need to find the actual molecular formula by considering its molar mass. The molecular formula of the compound would be C₆H₆.

The empirical formula CH indicates that the compound contains one carbon atom (C) and one hydrogen atom (H). The molar mass of the empirical formula CH is approximately 13 g/mol (carbon) + 1 g/mol (hydrogen) = 14 g/mol.

Given that the experimental molar mass of the compound is approximately 78 g/mol, we can calculate the ratio of the experimental molar mass to the empirical molar mass to determine the multiple of the empirical formula.

Multiple = Experimental molar mass / Empirical molar mass

Multiple = 78 g/mol / 14 g/mol

Multiple ≈ 5.57

Since the empirical formula CH is a ratio of 1 carbon atom to 1 hydrogen atom, we multiply this ratio by the multiple to obtain the molecular formula:

C × 5.57 = 5.57 C

H × 5.57 = 5.57 H

Therefore, the molecular formula of the compound is approximately C5.57H5.57. However, molecular formulas are typically expressed as whole-number multiples, so we would round the formula to the nearest whole number. In this case, the molecular formula of the compound would be C₆H₆.

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Answer:

a pure substance

Explanation:

i hope i help if i didnt im srry:(

Based on the information provided, Betz Hamilton's mother accrued over $500,000 in stolen debt over a period of 20 years. To determine the average amount of debt accrued per year, we can divide the total amount by the number of years. $500,000 ÷ 20 years = $25,000 per year

We can understand that accruing over $500,000 in stolen debt over 20 years is a significant amount of financial loss. Dividing this amount by the number of years gives us an idea of how much debt was being accrued annually, which was an average of $25,000 per year. This explanation provides further context and clarification to the main answer.

To calculate the average amount of stolen debt per year, you need to divide the total amount of stolen debt by the number of years. Identify the total amount of stolen debt: $500,000 , Identify the number of years: 20 years, Divide the total amount of stolen debt by the number of years: $500,000 / 20 years = $25,000 per year ,So, Betz Hamilton's mother accrued, on average, $25,000 in stolen debt per year over the 20 years.

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Answer:

amoeba

Explanation:

just adding few text to be posted

The two basic geologic processes which contributed to the formation of folded mountain ranges like in Glacier National Park include:

This is a geologic process which involve materials in the earth being washed away and transported to other parts by water, wind etc.

In the case of Glacier National Park, ice erodes the mountain thereby resulting in the folding of the sedimentary rocks.

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The energy comes from the breaking of bonds that is present between kerosene molecules.

When fuels are burned, the chemical energy that is present in kerosene molecules. This energy can be used to generate other form of energy, such as heat, light, motion, or electricity so we can conclude that the energy comes from the breaking of bonds that is present between kerosene molecules.

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Answer:

it's volume also decrease

Answer:

C. they are two forms of the same basic force

Explanation: Hope this helps :)

Answer:

129 units cubed

Explanation:

There are ten spaces between 120 and 130, so we can infer that each line represents a change in volume of 1 unit. The volume of the substance in the graduated cylinder looks like it's 1 under 130, so its volume is 129 units.

Hopefully this was helpful! :)

If a nurse researcher is seeking to answer a question about the effectiveness of a particular treatment, the most appropriate type of study would be a randomized controlled trial (RCT).

In an RCT, participants are randomly assigned to different groups: one group receives the treatment being investigated (the experimental group), while another group receives either a placebo or standard care (the control group). The groups are followed over a specific period, and the outcomes are compared to determine the effectiveness of the treatment.

RCTs are considered the gold standard for evaluating the effectiveness of interventions because they allow for control of confounding factors and provide a basis for establishing cause-and-effect relationships. Random assignment helps ensure that any differences observed between the groups are due to the treatment and not other factors.

Additionally, blinding techniques can be used in RCTs to minimize bias. This includes single-blind studies (where participants are unaware of their group assignment) or double-blind studies (where both participants and researchers are unaware).

By comparing outcomes between the treatment and control groups, an RCT provides rigorous evidence to determine the effectiveness of a particular treatment and supports evidence-based decision-making in healthcare.

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Answer:

1. Matter

2. Weight

3. Solid

4. Liquid

5. Gas

6. Solid

7. Gas

8. Liquid

9. Gas

10. Solid

11. Density

12. Mass

13. Volume

14. Temperature

15. Boiling point

Answer:

neck

Explanation:

through the neck and opening of the thermos, where there is no vacuum.. hence heat is easily transmitted resulting into heat loss

The order of increasing oxidation number of nitrogen: N\(H_{3}\) , \(N_{3}\)H, \(N_{2}\)O, NO, \(N_{2}\)\(O_{5}\)

is  N\(H_{3}\)(-3),  \(N_{3}\)H(-1/3) , \(N_{2}\)O(+1),NO(+2),    \(N_{2}\)\(O_{5}\)(+5)

The number in brackets is the nitrogen oxidation number. The amount of nitrogen that has been oxidized rises as the electronegative O atom count rises.

H and O have oxidation numbers of +1 and -2, respectively.

For elemental oxygen (O2) and nitrogen (N2), the oxidation state is zero. The oxygen that is covalently bound is typically seen in the state -2. Water, alcohols, ethers, and carbonyl compounds all fall under this category. The peroxides R-O-O-R, where R is hydrogen, an alkyl, an aryl, or an acyl, contain the sole common higher oxidation state (-1). These compounds are frequently utilized as free radical initiators due to their low covalent bond energy (ca. 35 kcal/mole) and occasionally dangerously explosive reactivity (e.g. triacetone triperoxide used by terrorist bombers).

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Answer:

the number of chlorine  molecules  in  6.5  moles  of  chlorine  is  calculated  as  follows

by  use  of Avogadro  constant  that  is  1mole =  6.02  x10^23    molecules

what  about  6.5  moles

6.5  x  (  6.02x 10^23)=  3.913  x10^24

Answer:

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

\(P_1V_1 = P_2V_2\)

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

Since we're finding the new pressure

\(P_2 = \frac{P_1V_1}{V_2} \\\)

We have

\(P_2 = \frac{105 \times 11.5}{65} = \frac{1207.5}{65} \\ = 18.5769\)

We have the final answer as

Hope this helps you

Answer:

most probably potential energy to chemical energy

Bicarbonate (HCO3-) would be part of the explanation for taking bicarbonate (NaHCO3) for excess stomach acid.

When mixed with water, sodium bicarbonate dissociates into Na+ and HCO3-. Bicarbonate acts as a base that reacts with the acid in the stomach to neutralize it, causing carbon dioxide gas and water to be produced as by-products. This makes sodium bicarbonate an effective antacid for treating heartburn and other forms of acid reflux.The neutralization reaction can be written as follows:NaHCO3 + HCl → NaCl + CO2 + H2O

Where NaHCO3 is sodium bicarbonate, HCl is hydrochloric acid, NaCl is sodium chloride, CO2 is carbon dioxide, and H2O is water. Bicarbonate neutralizes the acid in the stomach, reducing symptoms of heartburn and other types of acid reflux.

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Answer:

Meristematic Tissues. Tissues where cells are constantly dividing are called meristems or meristematic tissues. These regions produce new cells.

Explanation:

thank me later

Answer:

We can use the ideal gas law to solve this problem:

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 in Kelvin.

We need to convert the temperature to Kelvin by adding 273.15:

T = 25.0 + 273.15 = 298.15 K

Substituting the values:

(10 atm) (5.00 L) = n (0.08206 L·atm/mol·K) (298.15 K)

Simplifying:

n = (10 atm) (5.00 L) / (0.08206 L·atm/mol·K) (298.15 K)

n = 20.4 mol

Therefore, there are 20.4 moles of Argon in the tank.