Part 1: Explain what is meant by a chemical reaction and what is occurring (be sure to include atoms, bonds, reactants, products and energy in your explanation).

Q: Match what is happening to the evidence of chemical reactions it represents. Then explain how the…

A: A chemical reaction involves the conversion reactants into products. It involves the breaking of…

Q: Polychlorinated biphenyl (PCBs) are environmental contaminants composed of carbon, hydrogen, and…

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Q: Why did the bulb light when NaCl is mixed with distilled water? Explain in terms of chemical…

A: In the solution, the electricity is conducted by the ions. If a solution contains the ions in high…

Q: Classify the substance shown in the sketch below. You can click the other tabs in the sketch to get…

A: A question based on classification of matter, which is to be accomplished.

Q: Carbon and oxygen combine to form carbon dioxide. What are the reactants, or what is the reactant,…

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Q: Which statement about ammonia and sodium hydroxide is correct? O A. They are both weak bases. O B.…

A: 4) ammonia is a week base and sodium hydroxide is a strong base.

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

A: A mole of substance weighs its molar mass and contain avagadro number of particle and occupied 22.4…

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

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Q: Part D Follow these steps to complete the table. 1. Reuse the same test tubes from part C, labeled…

A: You have solved part C that's great, now i have to solve part D only, so, let's starts.

Q: If you forget to weigh the calorimeter and contents at the end of a Part 1 run, you will: Select…

A: While performing an experiment, human errors must be avoided. For that, the experiment must be…

Q: Consider these compounds: A. CUCO3 В. Mns C. Ba3(PO4)2 D. Ca3(PO4)2 Complete the following…

A: Compounds' solubility can be compared using their Ksp (solubility product constant) values. The…

Q: Disasters happened with the unsafe storage and handling of fireworks/firecracker products. Enumerate…

A: There is little difference in firecrackers and fireworks. Fireworks are a simple devise used for…

Q: What kinds of substances does water chemically react? What happens to the average kinetic energy of…

A: What kinds of substances does water chemically react = ?

Q: Write the balanced chemical reactions, including the state of the matter  Na2CO3 (aq) + HCl (aq)

A: A reaction is balanced according to the Law of conservation of matter. All the atoms of reactants…

Q: Hi what does wt in the equation stand for

A: 5.40 L of a solution contains 38.5 g of dissolved sodium hydrogen carbonate .We have to calculate…

Q: Part I. Complete the following chemical reactions. Do not forget to balance the reaction, the states…

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Q: Changes in natural properties caused by chemical reactions are expected to explain some basic…

A: To better understand what really a chemical reaction is, we should know about the basic of a…

Q: Consider these reactions, where M represents a generic metal.…

A: Answer:  We have to calculate enthalpy of formation of the given reaction.

Q: Potassium chlorate, potassium chloride, and water is produced by passing chlorine gas into a hot…

A: Reaction of potassium hydroxide (KOH) with Cl2 gas 6KOH + 3Cl2 ....> KClO3 + 5KCl + 3H2O…

Q: Light the Bunsen burner. Show your instructor how you lit and adjusted the Bunsen burner. The…

A: A Bunsen burner, named after Robert Bunsen, is a sort of gas burner utilized as research facility…

Q: 4. Determine if a chemical reaction occurs in the following scenarios: A. A girl cuts a piece of…

A: We know that when a change take place in such a way , where a Substance is changed into another…

Q: What is the law of mass action? O The ratio of the product concentrations to the reactant…

A: Law of Mass Action : According the law of mass action, the rate of a chemical reaction is directly…

Q: During the lecture we discussed this reaction: 2 NO2 (g) – N204 (g) what would you expect to happen…

A: The reaction given is Hence the equilibrium constant for the above reaction is where [N2O4] =…

Q: Complete the equations that account for the results of blowing carbon dioxide gas into water. CO2 +…

A: We have to complete the given reaction.

Q: Answer these questions in not less than 3 sentences.  How is the quantity of a gas related to those…

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Q: 16. Write a balanced chemical reaction for the combustion of The combustion of propane (C3Hs) can…

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Q: Table 1: Gas Collection Data for Mg and HCI Reaction Mass Mg (g) 0.040 g Volume HCl (mL) 10.00 mL…

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Q: 10.A teaspoon of dry coffee crystals dissolves when mixed in a coup of hot water. This process…

A: The answer to the following question is-

Q: 3. A log burns in a fireplace, warming the room. Is this an exothermic or an endothermic reaction?…

A: When a log is burning in presence of oxygen, it evolves heat. Acid base reaction where one axid…

Q: Write the balanced chemical equations representing the following reactions. Identify the type of…

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Q: Consider these reactions, where M represents a generic metal.…

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Q: CHBr2. CHO CH3 2.2NBS, (PHCO2)2 CCL, 90 °C 83% aq. CaCO3, reflux 83% Br Br Br

A: The key structural unit associated with a molecule to give the characteristic chemical reaction of…

Q: Write a chemical equation for the reaction of aqueous solutions of potassium carbonate and calcium…

A: Potassium Carbonate is K2CO3 Calcium Sulfate is CaSO4 Calcium Carbonate is CaCO3 Potassium Sulfate…

Q: Section 5.2 Classifying Chemical Reactions 1. Classify the following reactions as synthesis,…

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Q: What is conservation of energy and how does it relate to chemical reactions?

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Q: lighting a candle provides light and heat. Placing a beaker over the flame, I see the flame goes…

A: A combustion reaction is a reaction in which a substance reacts with oxygen gas, releasing energy in…

Q: The reaction of aqueous solutions of barium chloride and sodium sulfate results in the formation of…

A: BaCl2(aq) + Na2SO4(aq) -> BaSo4(s) + 2 NaCl(aq) in this reaction of barium chloride with sodium…

Q: Match symbols with their definition v indicates that the substance is dissolved in water A v…

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Q: What chemical reactions are involved in a firework display? Use gas laws to help explain. What makes…

A: Combustion responses are engaged with a firecracker show. Along these lines, when a firecracker is…

Q: On an endothermic potential energy diagram, what is true for all products? The products are at the…

A: The potential energy diagram is the representation of energy changes that occur during the progress…

Q: How does chemical reaction seen in real life situations? And what are their importance in real life…

A: When one or more molecules react/interact with each other to form one or more new molecules, the…

Q: Consider the potential energy diagram shown below. This graph shows the chemical potential energy in…

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Q: 1. Statement 1: beside its value for jewelries currency and electronics gold is also important in…

A: Gold is a coinage metal and also have uses in health professions. Gold is used to prevent joint…

Q: The purpose of the many chemical reactions in our bodies is to ________.

A: Given: The purpose of the many chemical reactions in our bodies is to ________.

Q: Molecular oxygen (O2) can be converted to ozone (O3) in the presence of an electrical spark,…

A: We need to identify the type of change in given reaction.

Q: A 27.0 wt% solution of HBr in water has a density of 1.50 g/mL. Calculate the formal concentration…

A: We will first calculate formal concentration of HBr , then answer the remaining questions.

Q: A chemical reaction is allowed to take place inside a beaker. When this beaker is placed in a dish…

A: A chemical reaction is a mechanism that converts one or more substances, known as reactants, into…

Q: write a balanced chemical equation for the standard formation reaction of gaseous water

A: For any standard formation reaction, we make 1 mol of product from the natural forms of all the…

Q: Explain why an exothermic chemical reaction both requires and releases energy. Your answer should…

A: Exothermic reactions are those reactions which release energy in the surroundings due to the…

Q: What do you call the type of chemical reaction in which heat is absorbed?

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