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Kamila [148]
3 years ago
15

Q1 A metal object has a mass of 8.37 g. When it was placed in a graduated cylinder containing 20.0 mL of water, the water level

rose to 23.1 mL. What is the density and identity of the metal? (see Table 3.1).
Q2 What is the mass of a solution that has a density of 0.775 g/mL and a volume of 50.0 mL?
Q3 What is the volume of a solution that has a specific gravity of 1.2 and a mass of 185 g?
Chemistry
1 answer:
Reika [66]3 years ago
6 0

Explanation:

<h2>I Forgot it please send a pic and tell me now Cause im lazy to Read ok</h2>
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How many chlorine atoms are on the products side of the reaction 2al 6hcl → 2alcl3 3h2? 2 3 6 9
GenaCL600 [577]

The number of chlorine atoms present on the product side of the reaction is 6

<h3>What is a chemical equation? </h3>

Chemical equations are representations of chemical reactions using symbols and formula of the reactants and products.

The balancing of chemical equations follows the law of conservation of matter which states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.

<h3>How to determine the number of atoms of Cl</h3>

2Al + 6HCl → 2AlCl₃ + 3H₂

Products => AlCl₃ and H₂

Number of Cl atoms = 2 × 3

Number of Cl atoms = 6 atoms

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brainly.com/question/7181548

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3 0
2 years ago
How does a volcano form?
stealth61 [152]
A volcano is formed when magma (Lava) spews up from deep within the earth. After each eruption the Volcano gets bigger and bigger, so basically after periods of time the volcano will get larger. Lava will rise in cracks in the earth or weak spots in the earths crust. The pressure is relieved thus resulting in a volcanic eruptions it forms the new crust and then eventually builds up in that spot making a volcano. They also form in places called hot spots and various other places.
5 0
3 years ago
What is the value for ∆Soreaction for the following reaction, given the standard entropy values? 2H2S(g) + SO2(g) 3Srhombic(s) +
Mademuasel [1]

Answer: \Delta S^{0} for the reaction is -186.75 J/K

Explanation:

Change in entropy (\Delta S^{0}) for the given reaction under standard condition is given by-

\Delta S^{0}= [3\times S_{rhombic}^{0}_{(s)}]+[2\times S_{H_{2}O}^{0}_{(g)}]-[2\times S_{H_{2}S}^{0}_{(g)}]-[1\times S_{SO_{2}}^{0}_{(g)}]

So \Delta S^{0} = [3\times 31.8 J/K.mol]+[2\times 188.825 J/K.mol]-[2\times 205.79 J/K.mol]-[1\times 248.22 J/K.mol] = -186.75 J/K

5 0
3 years ago
Which of these mixtures is a suspension?
natita [175]

Answer:

D. apple juice

Explanation:

8 0
3 years ago
The image shows a portion of the periodic table. Which two elements have similar characteristics?
tatuchka [14]

Answer:

C

Explanation:

Similar characteristics depend on columns.

Flourine and Chlorine are both halogens so they will have similar properties.

5 0
3 years ago
Read 2 more answers
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