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Basile [38]
2 years ago
13

Silver

Chemistry
1 answer:
vagabundo [1.1K]2 years ago
6 0

Answer:

Silver

Explanation:

What mass of copper was discharge at the cathode in a cell

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In a chemical change
Vsevolod [243]

Answer:

B. materials change their properties.

Explanation:

In a chemical change, materials often change their properties because a re-arrangement of atoms takes place.

A chemical change is one in which new kind of matter is formed.

It is always accompanied by energy changes.

  • Chemical changes are not reversible.
  • They lead to the production of new kinds of matter
  • It involves mass changes
  • Requires considerable amount of energy
8 0
3 years ago
What is standard solution
Arte-miy333 [17]
In analytical chemistry, a standard solution<span> is a </span>solution<span> containing a precisely known concentration of an element or a substance. A known weight of solute is dissolved to make a specific volume.</span>
4 0
4 years ago
Question 1: Would dissolving sugar into a cup of coffee be considered a physical or chemical change? Explain.
Kryger [21]

Answer:

chemical

Explanation:

becuase the sugar disolves into the coffe.

sorry if its wrong :)

7 0
3 years ago
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of xef2.
lys-0071 [83]

Answer: There are 4 bonding electrons and 18 non-bonding electrons.

Explanation: To determine the number of bonding and non-bonding electrons, we will use lewis dot structure for the molecule XeF_2

Lewis dot structure is the structure in which the valence electrons around an atom is shown in a molecule. It also tells us about the number of bonds present between the two neighboring atoms.

Valence electrons of Fluorine = 7

Valence electrons of Xenon = 8

In XeF_2

Total number of valence electrons  = [(1 × 8) + (2 × 7)] = 22 electrons

From, the structure attached below, the number of bonds present = 2. Hence, the bonding electrons will be = 4 electrons

  • Number of non - bonding electrons = Total valence electrons - Number of bonding electrons

Number of non-bonding electrons = 22 - 4 = 18

4 0
3 years ago
Read 2 more answers
2. A 6.0 ampere light bulb operates at 120 V. What is the resistance of the bulb?
maria [59]

Answer:

anshuajahauajajajajajajksisis

6 0
3 years ago
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