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marin [14]
2 years ago
13

True or false. test tubes, spot and/or well plate will be used to combine substances in bottles and form a reaction. group of an

swer choices
Chemistry
1 answer:
tresset_1 [31]2 years ago
4 0

Test tubes, spot and/or well plate will be used to combine substances in bottles and form a reaction is referred to a true statement.

<h3>What is a Chemical reaction?</h3>

This is the reaction which involves substances known as reactants combining new substances which are referred to as products. This is usually done in the laboratory and equipment and tools such as test tubes, thermometer etc are used.

Test tubes, spot and/or well plate are often used to combine substances in bottles and form a reaction which must be handled with care to ensure it doesn't spill.

This is therefore the reason why the option true was chosen as the most appropriate choice.

Read more about Chemical reaction here brainly.com/question/11231920

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Which is a characteristic of a Lewis base? it behaves as the electron donor. It behaves as the electron acceptor. It donates a h
Dmitry [639]

<em>Answer:</em>

  • It behaves as the electron donar. Its is correct one

<em>Definition of lewis base:</em>

  • Lewis base is a such a substance which donate pair of electron to Lewis acid.

<em>Example:</em>

                                       H3N +  BF3  ⇒   H3N---≥BF3

  • Ammonia is a lewis base while boron trifluride is lewis acid.

<em>Condition</em>

  • There should be lone pair of electron
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3 years ago
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Which element are cations? how do you know?
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I attached a chart that will help you know the charges of the elements

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A sample of oxygen gas (O2) at STP has a mass of 48.0 grams. What is the volume of the gas?
zvonat [6]
P * V = n R T 
<span>1 * 2.50 = n * 0.082 * 273 = 2. 50 / ( 0.082 * 273 ) = 0.11 mol </span>
<span>mass = mole number * molecular mass </span>
<span>mass = 0.11 * ( 16 * 2 ) = 3.52 g </span>
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In the formation of potassium chloride, the product, KCl, has less energy than the reactants, K and Cl2. This reaction is .
k0ka [10]

if the product has lesser energy than the reactants it means enthalpy change value is positive.so it is endothermic reaction where the heat is absorbed.so kcl will formation will have positive enthalpy change .

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2. Circle the letter of each sentence that is true about numbers expressed in
ivanzaharov [21]

Answer:

I think it is b) NOT SURE

Explanation:

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