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2 years ago

What item is made from a synthetic material

Chemistry

1 answer:

Ratling [72]2 years ago

7 0

Synthetic materials are made from natural resources and can be used for many purposes.

<h3>What is synthetic material ?</h3>

Synthetic materials are made by chemically changing the starting substances to create a material with different characteristics. Some examples of synthetic materials are plastics, medicines, and new fuels.

A synthetic substance may be chemically identical to a naturally-occurring substance or may be different.

Item is made from a synthetic material :

Plastic bag
Plastic bottle
Disposable diaper
Synthetic fiber/cloth (polyester, nylon, or rayon)
Kevlar
Artificial sweetener
Synthetic fuel (Synfuel)
Synthetic rubber
Chloroquine (Malaria drug)
Taxol(Cancer drug)
Physostigmine (Glaucoma drug)
Aspirin

Learn more about synthetic material here ;

https://brainly.in/question/41964471

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What is the molar solubility of calcium carbonate ( CaCO3 ) in water? The solubility-product constant for CaCO3 is 4.5 × 10-9 at

Anastasy [175]

Answer:

Option E)

$6.7\times 10^{-5}M$

Explanation:

1. Write the solubility equation:

CaCO₃(s) ⇄ Ca²⁺(aq) + CO₃²⁻

2. Write the concentrations below the equation:

CaCO₃(s) ⇄ Ca²⁺(aq) + CO₃²⁻

A - s s s

3. Write the Ksp equation:

Ksp = [Ca²⁺] . [CO₃²⁻] ↔ the solid substances do not appear

Ksp = s × s

4.5 × 10⁻⁹ = s²

4. Solve the equation:

$s=\sqrt{4.5\times 10^{-9}M^2}=6.7\times 10^{-5}M$

8 0

3 years ago

Which of the following would have a fixed shape and volume?

Masja [62]

Answer is: solid wood.

There are five fundamental states of matter (gas, liquid, solid, plasma and Bose–Einstein condensate).
In solid, molecules are closely packed, stiff and do not changes of shape or volume. Solid object (in this example wood) does not take on the shape of its container.
Liquids (in this example water) have definite volume, but no fixed shape.
Gases (in this example nitrogen and neeon) not have definite volume and fixed shape, it depends on its container.

8 0

4 years ago

Given the equation representing a reversible reaction:

tester [92]

Answer:

- Acetic acid (CH₃COOH) and hydronium ion (H₃O⁺)

Explanation:

Hello,

In this case, based on the acid-base theory which states that acids are known as H⁺ donors, if we consider the direct reaction:

$CH_3COOH(aq) + H_2O \rightarrow CH_3COO^-(aq) + H_3O^+(aq)$

It is clear that the acetic acid is the first H⁺ donor as it losses one H⁺ to turn into the acetate ion. Moreover, if we consider the inverse reaction:

$CH_3COO^-(aq) + H_3O^+(aq)\rightarrow CH_3COOH(aq) + H_2O$

It is also clear that the hydronium ion is the second H⁺ donor as it losses one H⁺ to turn into water.

Best regards.

5 0

3 years ago

A 27.86 ml sample of 0.1744 m hno3 is tirades with 29.4ml of a job solution. What is the molarity of the koh

Arte-miy333 [17]

Answer:

0.165 mol·L⁻¹

Explanation:

1. Write the chemical equation for the reaction.

HNO₃ + KOH ⟶ KNO₃ + H₂O

===============

2. Calculate the moles of HNO₃

c = n/V Multiply each side by V and transpose

n = Vc

V = 0.027 86 L

c = 0.1744 mol·L⁻¹ Calculate the moles of HNO₃

Moles of HNO₃ = 0.027 86 × 0.1744

Moles of HNO₃ = 4.859 × 10⁻³ mol HNO₃

===============

3. Calculate the moles of KOH

1 mol KOH ≡ 1 mol HNO₃ Calculate the moles of KOH

Moles of KOH = 4.859 × 10⁻³× 1/1

Moles of KOH = 4.859 × 10⁻³ mol KOH

===============

4. Calculate the molar concentration of the KOH

V = 29.4 mL = 0.0294 L Calculate the concentration

c = 4.859 × 10⁻³/0.0294

c = 0.165 mol·L⁻¹

4 0

4 years ago

What is the significant figures of 3.682417e-5

Vadim26 [7]

Answer:

7 SigFigs

Explanation:

If you're asking how many sigfigs there are in the number, it's seven significant figures.

6 0

3 years ago