Reaction Coordinate A. Label the previous graph. B. Which type of reaction does it represent it. explain your answer. C. Does it release or absorb energy? Q3: hydrogen gas reacts with Oxygen gas to produce water and 70 Kj of heat, write the equation of the chemical reaction

Q: During the grade 10 camping trip. You have 10kg of wood to burn at the campfire and at the end of…

A: a) This describes the reaction of burning of wood ,which is a chemical reaction in which wood in the…

Q: Methane, CH4, burns in oxygen. a what are the products of the reaction? (Express your answers as…

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Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

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Q: introduces chemical reactions. Chemical reactions occur all the time in our everyday lives. Pick two…

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Q: Calculation of mass of warm wat 4.184 4.184 I 16 7 Specife heat of water: 8 q gained by room temp.…

A: Specific heat capacity allows one to relate the amount of thermal energy gained (or lost) by a…

Q: Modern pennies are composed of zinc coated with copper. A student determines the mass of a penny to…

A: The balanced reaction taking place is  Zn (s) + 2 HCl (aq) --------> H2 (g) + ZnCl2 (aq)  Given :…

Q: Sodium reacts with water and evolves hydrogen and heat. Which of the following balanced chemical…

A: Sodium reacts with water to form sodium hydroxide and hydrogen gas and heat is generated in this…

Q: The chemical reaction "Oxygen gas plus solid phosphorus yields diphosphorus pentoxide" is an example…

A: Redox reaction occurs when oxidation and reduction take place at the same time in a chemical…

Q: 3. I can identify the type of chemical reaction that has taken place such as for the following: a)…

A: In this question, we will see the type of chemical reaction.

Q: Which statement is true about the following reaction? N + He → "O 13.992 4.00 15 16.99 86 + H amu…

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Q: (1) CIO(g) + O3(g) - (2) 203(g) 30,(g) (3) 0,(g) + CI(g) → Cl(g) + 20,(g) AHxn = -122.8 kJ AHan =…

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Q: A colorless liquid was added to a pink liquid, producing a blue gelatinous precipitate. This is an…

A: In a chemical change different reactants combine to form a new chemical species. This may happen…

Q: a. Al(s) + MnO, (aq) → MnO,(s) + Al(OH), (aq) b. Cl,(g) →CI (aq) + OCI (aq) c. NO, (aq) + Al(s)…

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Q: What are reactants and products in a chemical reaction?

A: In any chemical reaction reactants are taken initially and they react with each other and form…

Q: 18.6 mL of ethanol is allowed to undergo combustion with an excess of gaseous oxygen to produce…

A: Given;

Q: When 2.6 grams of acetylene is combusted in an amount of oxygen (8 grams), The result is (a)…

A: The reaction of acetylene in presence of oxygen is a combustion reaction and reaction undergoes to…

Q: What is a chemical equation? Provide an example and identify the reactants and products

A: Chemical equation = Chemical reaction is an symbolic representation of the chemical reactions in the…

Q: When a candle is lit and allowed to burn for 15 minutes, some wax drips and collects at the base of…

A: (a) When a candle burns the physical change can be easily seen because the solid wax is converted…

Q: A 15.79 g sample of a hydrate of an iron(II) sulfate compound was heated, without decomposing the…

A: Let the formula of the compound is : FeSO4.xH2O  Weight of the compound (in hydrated form) = 15.79…

Q: Use this diagram to answer the following questions. 7 Model The reactants in the above reaction are…

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Q: Ca All the calcium reacted in less than 30 seconds. There was a vigorous production of a gas. Fe…

A: We will write the correct order of reactivity

Q: This law states that the electrical charge of 1 mol of electron is equal to 96,500 coul of…

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Q: Part A What is a combustion reaction? Why are combustion reactions important? Match the items in the…

A: Combustion reaction is a chemical process between substance and oxygen which leads to transfer of…

Q: (d) fifteen atoms of iron react with twelve molecules of water to produce iron oxide (Fe,O¸) and…

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Q: 15. Copper (1) oxide, Cu2O, is reduced to metallic copper by heating in a stream of hydrogen gas.…

A: Reaction: Cu2O +H2 →2Cu +H2O Molecular mass of Cu2O=(2 x 63.55 +16)=(127+16)=143 when 143 g of Cu2…

Q: The thermite reaction,Fe2O3 + Al S Al2O3 + Feproduces so much heat that the Fe product melts. This…

A: a) The balance chemical equation for the thermite reaction is - Fe2O3 (s) + 2Al(s) →Al2O3(s)+ 2Fe…

Q: In the Haber Process, hydrogen (H2) and nitrogen (N2) react to produce ammonia (NH3)   H2 + 3H2…

A: Exothermic reaction is reaction accompanied with loss of heat. Reaction- H2 + 3H2 ----> 2NH3  +…

Q: Mass of Reactants Mass of Products Observations (Calcium and Oxygen) (Calcium Oxide) 12.61g 12.61g…

A: The physical changes are the changes that result in the change in the physical state of a substance…

Q: A student places 1.520 grams of copper wire along with excess sulfur into a crucible (and cover),…

A: A copper wire is used almost  everything electrical related at home because it's a good conductor of…

Q: In this lab various household materials will be dissolved or reacted in order to find if the process…

A: House hold  material  dissolved  in water.

Q: substance. 3. А (An) 4. According to the law of be neither created nor destroyed during means…

A: (4) According to the law of __________, Matter can neither be created nor destroyed during a…

Q: Figure 2 H₂O2 (1) - ---> H₂O₂ (g) H₂O₂(aq) -- ---> H₂O (1) + O2 (g) Which of the following…

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Q: +2 Pb Thallium Lead 200.592 2818 32 182 1832 18 1 204.383 207.2 28 18 32 10 2818 32 18 3 111 112 +2…

A: In Balanced chemical equation number of atoms of each species are equal on both reactant and…

Q: Pennies that are currently being minted are composed of zinc coated with copper. A student…

A: The balanced reaction taking place is  Zn (s) + 2 HCl (aq) --------> H2 (g) + ZnCl2 (aq)  Given :…

Q: Successively heating a sample yielded the following data. When the student  disposed of the sample…

A: In this case, it is likely that the product began to burn. The oxygen from the atmosphere binding to…

Q: 2NaClO, --> 2NaCI + 30, Reactants combine into a large one Reactant breaks apart into smaller…

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Q: Zinc reacts with hydrochloric acid to make zinc chloride and hydrogen. Zn HC 220g lain what will…

A: The solution is as follows:

Q: You weigh a dry flask, and place a chunk of solid into it, then weigh it again. You then fil the…

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Q: What is a balanced chemical equation?

A: A balanced chemical equation is the equation in which equal number of atoms are present on both the…

Q: If 52.4 g of O2 is mixed with 52.4 g of H2 and the mixture is ignited, what is the maximum mass of…

A: Mass of O2 = 52.4 gm Mass of H2 = 52.4 gm Mass of H2O = ?

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: In a chemical reaction, reactants combine together to form products. Write the complete reaction of…

Q: Table 7.3 (data) Mass of empty test tube 7.568   Mass of test tube and sample before heating…

A: The given table is completed as shown below,

Q: The combustion of ethane (C,H¸) produces carbon dioxide and steam. 2 C,H,(g) + 70,(g) → 4 CO,(g) + 6…

A: ethane involve in combustion reaction to give CO2 ,water molecules and heat 2C2H6 + 7O2 ------> 4…

Q: what are the physical properties of a meteor? - what are the chemical properties of a meteor?

A: A meteoroid that enters the earth’s atmosphere and vaporizes is called a meteor. It is also called a…

Q: Use the following information to answer this question. smoke CO2 + H,0 02 hydrocarbons What type of…

A: The diagram shows that the hydrocarbons are heated in the presence of oxygen and give CO2 and H2O…

Q: A bottle of a tile cleanser contains 135g og HCl and 775g of water. What is the percent by mass og…

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Q: What is chemical combination and chemical reaction? What are the significant concepts about them?

A: Chemical combination is a reaction in which two or more elements or compounds combine to form a new…