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amm1812
3 years ago
14

Which element is most likely to gain an electron? hydrogen 1

Chemistry
2 answers:
MAVERICK [17]3 years ago
7 0

Answer:

F

Explanation:

Fluorine has the highest EN value. so F can receive electron the most when compare to other elements.

lilavasa [31]3 years ago
7 0
Elements that are metals tend to lose electrons and become positively charged ions called cations. Elements that are nonmetals tend to gain electrons and become negatively charged ions called anions. So, if you are asking would hydrogen most likely gain electrons the answer would be yes it would gain electrons.
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Someone please help.
Yuri [45]
17. ΔH rxn is the enthalpy of a reaction. It is the amount of energy or heat absorbed in a reaction. If enthalpy is positive, it means the reaction absorbs heat, which means it is endothermic. If the enthalpy is negative, it means the reaction release heat, which means it is exothermic.

18. yes, it is possible in theory but it is not necessary. Water is the ideal, cheaper, and most abundant liquid for a calorimeter. 

19. Specific heat= heat/mass*Temp. the mass is already known You can place the piece of metal in a calorimeter filled with water. the piece of metal and water must be at different temperatures. Ideally, you would heat up the water and let it cool down. This change in temperature in the temperature that goes into the formula for the piece of metal. The only missing value is the heat which can be easily calculated because water' specific heat is known which can be used to calculate the heat loss by the water, which is the same as the heat gain by the piece of metal. With all the three values calculated and measured, you can simply plug them into the formula and solve for the specific heat of the metal. 
6 0
3 years ago
A piece of metal with a mass of 159 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 41 mL. What
almond37 [142]

Volume of water displaced is equal to the volume of the metal. So 41 - 20 = 21 ml. Density = mass / volume so density = 159 / 21 = 7.57 g/ml

8 0
3 years ago
HClO3 + NH3 Right arrow. NH4+ + ClO3– Which is a base-conjugate acid pair?
romanna [79]

Answer:

NH3 and NH4+

Explanation:

5 0
3 years ago
Which best describes the difference between radiation and conduction? (1 point)
NNADVOKAT [17]

Answer:

B) Conduction requires two objects to be in physical contact.

Explanation:

Conduction is when two objects are directly touching each other. So, the objects must come in physical contact with each other.

6 0
2 years ago
What is the chemical reaction between an acid and a base which results in the formation of salt and water?
Tcecarenko [31]
Neutralization is the process in which anacid and base react to give salt and water

7 0
3 years ago
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