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Lera25 [3.4K]
3 years ago
12

A group of students want to see how temperature affects the time spilled water to dry up what will be independent and dependent

variable
Chemistry
1 answer:
erastova [34]3 years ago
4 0
Independent is the temperature dependent is the time
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Match each term with its definition.
padilas [110]

Answer:

The position of an equilibrium always shifts in such a direction as to relieve a stress applied to the system -Le Chåtelier's principle

A molecule that donates a proton when it encounters a proton acceptor.- Bronsted-Lowry acid

Occurs when a reaction involving an acid and its conjugate base is combined with a second reaction involving a base and its conjugate acid.- Neutralization

It ionizes completely when dissolved in water.- Strong acid

The shift in the position of equilibrium caused by the addition of a participating ion.- Common ion effect

It only partially ionizes when dissolved in water.- Weak electrolyte

It is capable of acting as either an acid or a base depending upon the solute- Amphoteric solvent

The act of self-ionization of a solvent to produce both a conjugate acid and a conjugate base.- Auto-protolysis

A chemical species that bears both positive and negative charges.- Zwitterion

Explanation:

In the answer box we have various chemical terminologies and their definitions. In answering the question, you must carefully read through each definition, then check what option best matches that definition from the options provided.

Each definition applies only to one terminology as you can see in the answer above.

4 0
3 years ago
What is the principle feature of a metallic bond?
Kobotan [32]
Electrons are free to move throughout metal substance, shared throughout so electricity and heat are conducted well
4 0
3 years ago
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Jill said that when you are standing in front of a fire you are warm because you release the coolness of your body to the heat o
Tju [1.3M]
Greg is correct, Jill is wrong. Only heat can be released.
6 0
3 years ago
Complete and balance the equations for the given single displacement reactions. Write the reaction in molecular form. Phases are
Elan Coil [88]

Answer:

Li(s) + H2O(l) -----> LiOH(aq) + H2(g)

Ca(s) + 2H2O(l) ---------------> Ca(OH)2(aq) + H2(g)

Explanation:

Metals react with water to yield the metal hydroxide and hydrogen gas as shown in the answer above.

The reaction equations were balanced, the number of atoms of each element on both side of the reaction equation is exactly the same.

This is the way to write a balanced reaction equation for the species shown in the question.

5 0
3 years ago
What mass of ethanol (C2H5OH(ℓ)) must be burned to supply 500 kJ of heat? The standard enthalpy of combustion of ethanol at 298
vlada-n [284]

Answer:

16.84 g

Explanation:

Assuming that the ethanol is free of water

the number of moles of ethanol to generate 500 KJ = 500 / 1368 = 0.3655 mol

molar mass of ethanol = 46.07 g/mol

mass of ethanol needed = 46.07 × 0.3655 = 16.84 g

5 0
3 years ago
Read 2 more answers
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