Match what is happening to the evidence of chemical reactions it represents. Then explain how the evidence shows what is happening. Draw or paste in a picture showing what is happening. What is happening list: New state of matter is formed, Product absorbs different colors of light, Energy is absorbed from surroundings, energy is released.

Q: In the process of making biofuel from corn, the corn is ground, mixed with water, and then enzymes…

A: Chemical change = Chemical change occur when subatance combine with other substance to form new…

Q: Question is attached

A: Combination reaction can be defined as a reaction in which two or more compounds or reactants…

Q: 3-The function of scientists is to while that of engineers is to O The function of scientists is to…

A: The main work of scientists is to explore the new things about the universe whereas engineers apply…

Q: In the types of reactions experiment, copper(II) sulfate pentahydrate was heated, then water was…

A: The formula of  copper(II) sulfate pentahydrate is CuSO4.5H2O When the reactant  copper(II) sulfate…

Q: Q2. Under the Examples" column in Table 2, Place the letters, a thru j, from the reactions from Q2…

A: Hi.. Q2 question requires examples from Q1 to fill the last column in table 2.  If you want Q2 to be…

Q: what pieces of evidence are present during synthesis, decomposition, single replacement, and double…

A: Composition or synthesis reactions produce a single substance from multiple reactants. A single…

Q: Aluminum is precipitated (initially) as Al(OH);, then dried and ignited to Al»O3. Consider the…

A: a) On using NaOH as precipitating agent for Al+3 initially Al(OH)3 is formed which further…

Q: What evidence of a chemical reaction might you see when the chemical reaction below is run in a…

A: The given reaction is: Na2S (aq)  +  CuSO4 (aq)  ⟶  Na2SO4 (aq)  + CuS(s) Here, by the double…

Q: Label each figure below as a physical or chemical change and explain how you know in complete…

A: Physical changes are the changes observed when the physical properties of the molecule changes, such…

Q: Based on the model, where do atoms in the products of a chemical reaction come from? How do you…

A: The atoms in the products comes from the atoms in the reactant .

Q: A student needs to measure out ~17mL of a solution to add to a reaction container, select all pieces…

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

A: Given reactions: 2M(s)+6HCl(aq)→2MCl3(aq)+3H2(g)      ∆H1=-669.0 kJ----eqn(1)HCl(g)→HCl(aq)…

Q: Which observation is consistent with a chemical reaction occurring? Why?(a) Solid copper deposits on…

A: (a) Solid copper deposits on a piece of aluminum foil when the foil is placed in a blue copper…

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: Use the molecular art to identify the process as a chemical reaction or a physical change. If a…

A: All matter is made up of atoms. Atoms combine to form molecules.  Molecules form a substance and…

Q: During a reaction, reactant molecules are consumed while product molecules are formed. true or…

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Q: Which of the following statement is valid about the substances involved in any chemical reaction…

A: According to law of conservation of mass, mass can neither be created nor destroyed.

Q: Reset Help A balloon filled with hydrogen gas explodes upon contact with a spark. Copper metal turns…

A: A question based on types of process, which is to be accomplished.

Q: What type of reaction is described by the following chemical reaction Cl2          +    NaBr     à…

A: When one or more atoms or molecules react with each other to produce one or more product is called a…

Q: The change of liquid water to ice is known as Group of answer choices chemical change oxidative…

A: There are two types of chages that can occur in all natural process. These are chemical change and…

Q: Consider the following chemical reaction: 2HCl (aq) + Mg(OH)2 (s) → 2H2O (l) + MgCl2 (aq) What…

A: In given reaction state of reactants and product given.

Q: List down at least 5 pieces of evidence that a chemical reaction took place.

A: A chemical change is the transformation of one material into another, resulting in the formation of…

Q: Geologists identify carbonate minerals by reaction with acids. Dolomite, for example, contains…

A: Given chemical reaction:

Q: For each chemical reaction identify in the chart:   The evidence of chemical change.   The type of…

A: A balanced chemical reaction is a reaction in which the total number of atoms at the reactant and…

Q: Two chemicals at room temperature are mixed and their container starts to feel warm to the touch.…

A: Chemical reactions are of two types- Endothermic and exothermic reactions. When heat is absorbed in…

Q: A blue crystal is placed in water. After stirring, the crystal disappears and the water becomes…

A: A chemical reaction is a process in which one or more substances known as reactants are converted to…

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: Gaseous sulfur dioxide reacts with oxygen gas to form sulfur trioxide gas. Express your answer as a…

A: Gaseous sulfur dioxide reacts with oxygen gas to form sulfur trioxide gas. All species are in…

Q: Fill in the blank by the name of the definition: In __________ reaction one element replaces…

A: The reaction is as follows:

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: Hydrogen, when combined with oxygen in a chemical reaction, forms water. This is an example of which…

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Q: Choose all of the given components that should not be included in a Materials and…

A: A research articles in the field of chemistry generally contains the following major aspects. Title…

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

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Q: Part C MnO, (ag) + Al(s)→Mn²* (aq) + Ar** (aq) Express your answer as a chemical equation. Identify…

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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: For the following questions: Predict the products. Balance the chemical reaction. Add states of…

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Q: The following reaction yields a precipitate.  What is the chemical formula of the precipitate?  Your…

A: The reactants given are, 1) AgClO4 (aq)  2) NaBr (aq)

Q: Using the Law of Conservation of Mass, answer the following questions. If you need to review this…

A: 142.As per law of conservation of mass, mass can neither be created nor be destroyed.  For the…

Q: Flammability is a measure of how easily a substance bursts into flame, through fire. It is is a…

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Q: Write the chemical reaction of this; Hydrochloric acid plus calcium carbonate yields calcium…

A: Type of the reaction General chemical equation Synthesis/Combination reaction A + B → AB…

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: Substance Reaction to flame Phase at room temperature Reaction with water Hydrogen Colorless Gas…

A: Strontium chloride

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: predict the reaction type (single or double displacement)  -- predict the names and states of the…

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Q: Which of the following is a common sign that a chemical change has occurred? O A chemical has…

A: There are various signs that show the chemical change has done :  1. Change in odour 2. Change in…

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: Solid potassium oxide reacts with liquid water to form aqueous potassium hydroxide. Express your…

A: Given is , Solid potassium oxide reacts with liquid water to form aqueous potassium hydroxide

Q: Given the chemical equation: NH3 +  O2 ---> N2 + H2O a. Identify the type of chemical reaction is…

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