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Anestetic [448]
3 years ago
6

Hunter wants to measure the weight of a dumbbell.he should

Chemistry
2 answers:
kirza4 [7]3 years ago
6 0

Answer:

D. Use a scale and record the weight in N

Explanation:

Pepsi [2]3 years ago
5 0
<span>He should use a scale and record the weight in N. The beaker is used for liquid measurement and the scale is used for measuring sold things. A dumbbell is not a liquid material that is why the need of the scale will give it the accurate measurement that Hunter wants to know.</span>
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PLS HELP ME WITN THIS ILL GIVE BRAINLIEST
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Flammability/Combustibility: The ability of a substance to burn.

The next two are quite strange; I'm not aware of a term that cleanly describes reactivity with water or acid. I suspect that, given the level of the material here, the general property of "reactivity" might be the answer for both the second and third descriptions

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(Acid-)reactivity: Some substances react when put in acid.

Light sensitivity: Light can interact with some things to form new substances.

As for the chart, I've filled it in as shown in the attached image. Please take care to double-check what I've written; in particular, when it comes to the property, I might have used a different term from what you were taught in class or provided in some other resource that I don't have access to. I've also color-coded qualitative/quantitative and physical/chemical for your convenience.

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2 years ago
In the following equation, what are the reactants: NaHCO3 + HCl? NaCl + H2O + CO2
elena55 [62]
I believe the correct answer from the choices listed above is option A. The reactant for the given chemical reaction would be NaHCO3 and HCl. <span>A </span>reactant<span> is a substance that changes in a chemical reaction. It is the starting material in a reaction. Hope this answers the question.</span>
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3 years ago
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Answer:

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Lithium sulfate is Li2SO4

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So the complete balanced chemical reaction for this is:

 

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This is a type of double replacement reaction since there is an exchange of ions.

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