Why is half frozen fruit punch always sweeter than completely melted fruit punch?

Q: a breakfast of ceriel, orange juice, and milk contain 230 nutritional calories. Exress this energy…

A: GivenEnergy  = 230 Calories

Q: How is the boiling point of water affected when some salt is added to it?

A: When salt is added to water, there is dissociation of sodium chloride into sodium and chlorine ions.…

Q: Why is soap solution a better cleansing agent than ordinary water?

A: Water although a good general solvent, has a high surface tension. This makes the water molecules to…

Q: How does melting ice change the temperature of the surrounding air?

A: For the ice to melt, it needs to gain energy from the surrounding.

Q: Organic Compounds Virtual Lab   Fuel Name Fuel Mass (kg) Water to Stream (kg) Electricity (KWh)…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: cool

A: Aluminium has higher specific heat capacity which means you require more heat energy to heat up a…

Q: 20. fill in the blanks in the following table for the compound carbon dioxide, CO2 Moles Molecules…

A: We know, Molecular weight of CO2 is 44 g

Q: Consider the dissolution of CaCI2: CaCl2(s) Ca (aq) + 2CI (aq) AH = -81.5 kJ/mol A 15.0-g sample of…

A: Given compound is --> CaCl2  Amount of substance = 135 grams Amount of compound = 15 grams Atomic…

Q: In the following chemical reaction, determine the number of moles of NH3 from 2.50 moles of H2.…

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Q: Given a hot cup of coffee, and a warm cup of coffee, which can dissolve more sugar?

A: A sugar is added into a hot cup of coffee, and a warm cup of coffee,

Q: pH value at half of end point of the titration of ( 10ml of 0.1N HAc X 0.1N NaOH ) is 4.74 if (…

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Q: A substance that heats up relatively quickly has a O low specific heat. many strong molecular…

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Q: Qingshan runs at an average rate of 4.11 mph for 1.79 hours every morning. If he burns 5.26…

A: Average speed (v) = 4.11 mph time (t) = 1.79 hours calories burnt per minute = 5.26 calories min

Q: Write the cell notation for a voltaic cell with the following half-reaction. Al(s) → Ae3+ 2H*(aq) +…

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Q: 75.  The name of C6H13OH is   A. heptonol   B. hexanol   C. hexyl   D. heptyl alcohol   E.…

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Q: The volume increase of ethanol when its temperature is increased by 30 ° C is 0.60L. Determine the…

A: Given : Let volume of ethanol initially be V1 = V ANd temperature be T1 = T Final volume, V2 = 0.60…

Q: When people sleep, their metabolic rate is about 2.6 × 10-*C/(s-kg). How many Calories does an 81-kg…

A: Write the expression for the energy. Here, rm represents the metabolic rate, m represents the mass,…

Q: Distinguish the same chemical characteristics but have different physical properties?

A: Required : Which have the same chemical characteristics but difference physical properties.

Q: Why is there a need to constantly stir the metal shots during heating?

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Q: en you add 5ml of ethanol with 5ml of water and then shake to mix the two the amount measured is…

A: in Lab when we mix ethanol with water then they tightly pack with each other. they strongly react.

Q: Diffusion always drives molecules from higher concentration to lower concentration. Oa. True O b.…

A: The kinetic energy of the molecules results in random motion, causing diffusion. In this random…

Q: The boiling point of water may be increased by increasing __________. (5.3)

A: Boiling point of water increases by increasing in pressure. When pressure is increased boiling point…

Q: The volume of a sample of oxygen gas changed from 10 mL to 11 mL as the temperature changed. Is this…

A: Solution: Givwn that The volume of a sample of oxygen gas changed from 10 mL to 11 mL as the…

Q: How many oxygen atoms are in 32 moles of CO2?

A: Each mole of CO2 contains 2 moles of oxygen. 1 mole of any substance contains 6.023×1023 units of…

Q: A technique that uses a moving liquid phase and a stationary solid phase to separate mixtures is…

A: The technique used to separate on the basis of polarity difference is known as chromatography.

Q: Why hot water bottles are used for fomentation?

A: Hot water has high specific heat capacity. Due to this, the water remains hot for a longer duration.

Q: Differentiate between endothermic reactions and exothermic reactions?

A: Endothermic Reactions: A reaction that the system absorbs energy from its surrounding in the form of…

Q: N2 + 3H2  → 2NH3 How many moles of hydrogen, H2, are needed to react with 2.0 moles of nitrogen,…

A: here , N2 +3H2   → 2NH3

Q: Two neutral molecules

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Q: Why are the temperature and pressure dependent properties in the saturated mixture region?

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Q: Most car oil is 5 W – 30. What does that mean?

A: Numbers preceding W describe the viscosity of the oil at low temperatures. The lower this number,…

Q: How many grams are in 5.60 x 1024 molecules of NaCI?

A: Given that                        The Molecules of the NaCl is (n) = 5.6×1024 molecules We need to…

Q: . The freezing point depression of a solution of glucose (C,H,206, molar mass = 180.0 g/mol) is…

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Q: how many grams are in 2.70 x 10^24 molecules of P^4

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Q: What is the mass of 0.75 moles of (NH4)3PO4? O 111.75 g O 121.75 g O 131.75 g O 101.75 g

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Q: What is a physical change

A: Physical change can be defined as the change in the physical form of the substance without any…

Q: What is a mixture? Give three examples?

A: The mixtures are formed by mixing the two or more substances with each other without combining…

Q: Is there any difference between the intensive properties of saturated vapor at a given temperature…

A: The properties of a system which is not depend upon the mass of the system are called as intensive…

Q: When the bottle of carbonated soda is submerged in hot water then let cool to room temperature, why…

A: When carbonated soda is submerged in hot water  then it will start to lose carbonation faster than…

Q: Give a reason why soda drinks should be in plastic bottles rather than in aluminum cans?

A: A typical soda drink may contain acids like citric acid which can react with metallic containers and…

Q: When blue litmus paper turns red, the substance being tested is acidic basic

A: Here talking about the compounds PS test. Here given a blue litmas paper turns red. We have to find…