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vodomira [7]
3 years ago
10

What do you notice about the density of the sinking objects?

Chemistry
2 answers:
tino4ka555 [31]3 years ago
5 0

Answer:

if its less Dense than water it will float, if it's more Dense, than water it  will sink. if an object weighs more than the same amount of water then it will sink but if it weighs less it will float

Explanation:

matrenka [14]3 years ago
4 0
They are higher than water
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The molarity of a solution that contains 8.0 g of NaOH in a liter of solution is
Kay [80]

Answer:

0.2M NaOh

Explanation:

there are 0.2 mol of NaOH in 8.0 g. (8.0/40) =0.2. Molarity = mol/L = 0.2M.

8 0
2 years ago
How many amps are required to produce 75. 8 g of iron metal from a solution of aqueous iron(iii)chloride in 6. 75 hours?
Shalnov [3]

The amount of current required to produce 75. 8 g of iron metal from a solution of aqueous iron (iii)chloride in 6. 75 hours is 168.4A.

The amount of Current required to deposit a metal can be find out by using The Law of Equivalence. It states that the number of gram equivalents of each reactant and product is equal in a given reaction.

It can be found using the formula,

m = Z I t

where, m = mass of metal deposited = 75.8g

            Z = Equivalent mass / 96500 = 18.6 / 96500 = 0.0001

             I is the current passed

              t is the time taken = 75hour = 75 × 60 = 4500s

On subsituting in above formula,

75.8 = E I t / F

⇒ 75.8 = 0.0001 × I × 4500

⇒ I = 168.4 Ampere (A)

Hence, amount of current required to deposit a metal is 168.4A.

Learn more about Law of Equivalence here, brainly.com/question/13104984

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7 0
2 years ago
Only some particles split up into smaller particles
Makovka662 [10]

Answer:

Everything around you can be broken down into smaller particles called atoms. The particles of one substance are all the same and different substances are made up of different particles.

Explanation:

4 0
3 years ago
Plz help quick
vovangra [49]

Answer:

3

Explanation:

If oxygen reacts with iron, then both must be reactants and rust the product of that reaction

4 0
3 years ago
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Given a 240.0 g sample of sulfur trioxide (MM = 80.1 g/mol),
labwork [276]

Answer:

2 mol of SO3 produces 1 mol O2

3 mol SO3 produces 3/2 mol of O2

so O2  produced = 1.5(32) =48 gm

Explanation:

8 0
2 years ago
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