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Xelga [282]
3 years ago
7

Write at least 5 different sentences each adjective describes: crystal_____, soluble_____, hard_________, solid_______,

Chemistry
1 answer:
rewona [7]3 years ago
3 0

Answer:                                                                                                

  1. Definite shape, definite volume, definite melting point, high density,        incompressibility, and low rate of diffusion.
  2. The most obvious physical properties of a liquid are its retention of volume and its conformation to the shape of its container.
  3. When a liquid substance is poured into a vessel, it takes the shape of the vessel, and, as long as the substance stays in the liquid state, it will remain inside the vessel.
  4. There are four types of crystalline solids: ionic solids, molecular solids, network covalent solids and metallic solids.
  5. There are two types of liquid-liquid mixtures. They are: Homogeneous Liquid-Liquid Mixture. This is a type of liquid-liquid mixture whereby the two substances mix completely to from a single substance.
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0.1005 liters is the same as: A. 0.0001005 cm3 B.0.1005 cm3 C.100.5 cm3 D.0.01005 cm3 and A. 0.01005 mL B. 0.1005 mL C. 0.000100
Andreyy89

I think it would be C.100.5cm or D.100.5ml hope that helps


4 0
3 years ago
Read 2 more answers
limestone breaks down when heated to form quicklime and carbon dioxide. what type of reaction is this?
Trava [24]
No chemical because, its changeing the stuff 
7 0
3 years ago
3 attempts left Check my work Click in the answer box to activate the palette. Write the balanced chemical equation where liquid
mel-nik [20]

Answer:

2 C₄H₁₀(l) + 13 O₂(g) ⇄ 8 CO₂(g) + 10 H₂O(g)

Explanation:

When a substance burns we talk about a combustion reaction. When combustion is complete the products are carbon dioxide and water, like in this case. The equation is:

C₄H₁₀(l) + O₂(g) ⇄ CO₂(g) + H₂O(g)

First, we balance the element with the largest stoichiometric coefficient (C).

C₄H₁₀(l) + O₂(g) ⇄ 4 CO₂(g) + H₂O(g)

Then, we balance H because it is in just 1 compound on each side.

C₄H₁₀(l) + O₂(g) ⇄ 4 CO₂(g) + 5 H₂O(g)

Finally, we balance O.

C₄H₁₀(l) + 6.5 O₂(g) ⇄ 4 CO₂(g) + 5 H₂O(g)

Since we want the smallest whole numbers, we multiply all coefficients by 2.

2 C₄H₁₀(l) + 13 O₂(g) ⇄ 8 CO₂(g) + 10 H₂O(g)

4 0
3 years ago
Amanda wants to paint the ceiling of her restaurant. The ceiling is in the shape of a square. Its side lengths are 39 feet. Supp
Delvig [45]

if da ceiling in a square that means it has four sides. If each side is 39 feet and there are four sides you would multiply 39 times 4 which equals 156. If one can of paint can cover 169 ft.² and the ceiling is only 156 ft.² then you would only need 1 CAN OF PAINT.

7 0
4 years ago
What volume will be occupied by 11.7 g of Helium in a balloon at an altitude of 10.0 km if the air pressure is 0.262 atm and the
matrenka [14]

Answer: 204 L

Explanation:

According to ideal gas equation:

PV=nRT

P = pressure of gas = 0.262 atm

V = Volume of gas = ?

n = number of moles = \frac{\text {given mass}}{\text {molar mass}}=\frac{11.7g}{4g/mol}=2.92

R = gas constant =0.0821Latm/Kmol

T =temperature =-50^0C=(273+(-50))K=223K

V=\frac{nRT}{P}

V=\frac{2.92\times 0.0820 L atm/K mol\times 223K}{0.262atm}=204L

Thus volume occupied by 11.7 g of Helium in a balloon is 204L

6 0
3 years ago
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