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Marizza181 [45]
3 years ago
5

Which metal is used to make coin amd for packaging​

Chemistry
2 answers:
Inessa [10]3 years ago
7 0

Answer:

Silver

Explanation:

Because when white metal has an illustrious reputation for its use on jewelry and coins, but today, silvers primary use is industrial.

WINSTONCH [101]3 years ago
6 0

Answer:

cupro - nickel

if u on its weight its 9.00gms and diameter:23mm

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Describe how you would prepare 150ml of 0.02N NaOH in the laboratory.​
Schach [20]

Answer:

Explanation:

molar mass of any subtance in 1 litre water gives 1N solution

for NaOH molar mass =40 g

40g  --- 1000ml ---1N

Xg---- 150 ----0.02

X= 40*150*0.02/1000*1 =0.12 g

3 0
4 years ago
When aluminum atom loses its valence electron, what is the charge on the resulting <br> ion?
SOVA2 [1]

Answer:

3+

Explanation:

i looked up the answer :)

8 0
3 years ago
If there is no net force on an object, then the object will
user100 [1]
If there is no net force on an object, then the object will <span>maintain it's rate of speed. Basically, net force is the change in an object's motion. If it is stationary and not moving, the object will stay stationary. If the object is moving at a rate of 2 miles per hour, it will constantly continue to move 2 mph because there is no net force.</span>
6 0
3 years ago
A certain ore is 24.3% nickel by mass. how many kilograms of this ore would you need to dig up to have 55.0 g of nickel?
zysi [14]
Let x be the mass of the ore in grams such that the equation that would allow us to answer this item would be,

                     55 = (x)(0.243)

The value of x is calculated as,

                 x = 55/0.243
                   x = 226.337 grams

Then, solve for amount in kilograms by dividing the calculated value by 1000. This methodology will give us an answer of 0.226337. Hence, the answer is 0.226. 


4 0
3 years ago
I have 2 questions....but it's multiple choice for 1 of them.
Taya2010 [7]

1. Blood is an organic compound

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