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3 years ago

What is the answers pls need it before tomoz

Chemistry

1 answer:

QveST [7]3 years ago

5 0

Metals consist of giant structure of atoms arranged in a regular pattern. The electrons in the outer shell of metal atoms are shared , and are free to move throughout the structure. Therefore the structure is formed by positive charged metal ions held together by a 'sea' of delocalised.

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Is there an optimum amount of baking soda and vinegar to put in a plastic soda bottle rocket? How would you figure that out?

Snezhnost [94]

Add 1 tsp. of vinegar to the canister at a time, filling it almost to the top. You need to add as much vinegar to the canister as possible without the vinegar and the baking soda coming into contact when you later snap the lid onto the canister. Depending on the exact canister, this may be around 5 tsp.

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3 years ago

Read 2 more answers

Which of the following metals reacts with aqueous NiSO4

sergiy2304 [10]

I hope this will help The Periodic Tables

7 0

3 years ago

1. In a solution, the substance that is being dissolved is the

mestny [16]

Answer:

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8 0

4 years ago

Yellow cake is a uranium ore that contains about 75% U3O8 (842 g/mol), and can be further refined to extract pure uranium. How m

alex41 [277]

Answer : The correct option is, (5) 5.5 kg

Explanation :

As we are given that yellow cake is a uranium ore that contains about 75 % $U_3O_8$ . That means,

Mass of $U_3O_8$ = 75 g

Mass of yellow cake = 100 g

Molar mass of uranium = 238 g/mol

Molar mass of $U_3O_8$ = 842 g/mol

First we have to calculate the mass of pure uranium.

As, 842 g of $U_3O_8$ contains $3\times 238g$ of pure uranium

So, 75 g of $U_3O_8$ contains $\frac{75}{842}\times 3\times 238g=63.59g$ of pure uranium

Now we have to calculate the mass of yellow cake.

As, 63.59 g of pure uranium present in 100 g of yellow cake

So, 3.5 kg of pure uranium present in $\frac{100g}{63.59g}\times 3.5kg=5.5kg$ of yellow cake

Thus, the mass of yellow cake processed to produce 3.5 kg of pure uranium must be, 5.5 kg

6 0

4 years ago

If 12 gallons of gasoline cost $34.68, what is the unit price per gallon?

chubhunter [2.5K]

The answer is $2.89.

Since it’s asking for the unit price of one gallon and you have the total ($34.68 and 12 gallons), you would divide $34.68 from 12, which gives you $2.89.

34.68/12 = 2.89

5 0

2 years ago