Gasoline burning in your car engine is an example of a physical change and the product and reactants are balanced in the equation. 2C3H18 + 180, → 16CO2 + 18H20

Q: 3. Are substances that provide the desired and specified effects of the product. a. Inactive…

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Q: Justin is making a snack. He toasts a piece of bread and spreads peanut butter and jelly on it. Then…

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Q: Mango lemonade tea consists of several substances that are NOT chemically combined, so Mango…

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Q: a) energy is used for heating the water up to its boiling point, and the remaining energy used is…

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Q: How many magnesium atoms are on each side of this equation: 3Mg + N2 Mg3N2 O One O Two O Three O…

A: The balanced equation of the reaction is given as

Q: A reaction between liquid reactants takes place at 3.0°C in a sealed, evacuated vessel with a…

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Q: Determine the following products using the correct sign: 1.11. 1.2J.=.. 1.3 jxk=.. 1.4-4xk

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Q: What is the solubility of PbF₂ in a solution that contains 0.0600 M F⁻ ions? (Ksp of PbF₂ is 3.60 ×…

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Q: Some substances are able to absorb large amounts of energy which increases the rotation of their…

A: Required : The specific heat capacity of the substance.

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

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Q: Which three types of reactions yield a product that is a chemically bonded combination of reactants?…

A: Here it is asked about the product so we need to observe all the processes and there respective…

Q: How many moles of LiBr are required to make 300 mL of a 3.00 M solution?

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Q: Plants use sunlight as energy to convert carbon dioxide and water into glucose and oxygen. Which…

A: Mass is always conserved in this universe i.e. mass can't be created or destroyed.

Q: adioactive substance has a half life of 30 minutes. How much of a sample of this substance will not…

A: Given, No = 100%= 1 T= 30min t= 2.5 hours = 150 min We know that, N= No (1/2)t/T

Q: A piece of polyaniline impregnated with sulfuric acid is 2 cm long, 1 cm wide, and 100 micrometers…

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Q: An irregularly shaped piece of metal of density 7.8g/cm^3 weighs 429 grams when completely immersed…

A: Given: Density of nitrobenzene ρn= 1.2 gcm3 Density of metal in nitrobenzene ρm= 7.8 gcm3 Weight w =…

Q: The active ingredient in the allergy medication Claritin contains carbon (C), hydrogen (H), chlorine…

A: Given: The allergy medication of Claritin C22H23Cl N2O2 contains 1.424 x 1019 molecules

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: Complete the table below for aqueous solution of C6H12O6 (Glucos). Mass Solute Moles Solute Volume…

A: A solution is a mixture of one or more than one solute mixed in a solvent. The molarity of 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: 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: What is the mass of 0.6 mole of CO2 (in g)? A) 31 B) 7 C) 26 D) 18 E) 37

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Q: A 250 mL aqueous solution contains 2.37 g of copper(II) chloride. The dissolved copper(II) chloride…

A: The number of ions in 1.12 g of copper (II) ion is calculated as shown below. The number of ions in…

Q: An irregularly shaped piece of metal of density 7.8g/cm^3 weighs 429 grams when completely immersed…

A: Given data m=429 gmρ=7.8 gm/cm3

Q: What is the mass of 0.7 mole of CO2 (in g)? A) 31 B) 7 C) 26 D) 18 E) 37

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Q: Using values from Table, how many DNA molecules could be broken by the energy carried by a single…

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Q: An irregular sample of zinc has a mass of 23.21 g.  This sample is carefully placed in a graduated…

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

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Q: All of the following are bases except A. NaOH B. Al(OH)3 C. HBr D. Ca(OH)2

A: Given : Four options and to identify the acid from the list.

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: Use Lewis theory to determine the chemical formula for the compound formed between Li and S. A)…

A: Introduction:  The lewis structure was named after Gilbert N. Lewis, who introduced it in his 1916…

Q: The correct name of the compound H3OCN is   A. trihydogen oxycyanide   B. hydronium cynanide…

A: According to IUPAC for writing name of compound first write substitute prefix and then write the…

Q: 1. Ammonia, NH3, is prepared by the following reaction: 2 NO2(g) + 5 H2(g) - 2 NH3(g) + 2 H2O(I)…

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Q: 200.0 mL of a 0.690 M solution of KCl is diluted to 600.0 mL. What is the new concentration of the…

A: Volume of KCl solution VKCl=200 mL=200×10-3 L The concentration of KCl solution cKCl=0.690 M If n is…

Q: correct solution and don't copy paste in chegg and previous solution, that solution are incorrect So…

A: Answer

Q: Q5: polymer sample was found to have the following molecular weight distribution: Number of…

A: We have to find the average and weight average molecular weight