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Dafna1 [17]
2 years ago
7

What is a sentence for weathering

Chemistry
2 answers:
bija089 [108]2 years ago
7 0
These rocks were either roasted or exposed to severe weathering 
Svet_ta [14]2 years ago
6 0
Due to the weathering of the rock, the childrens' playground started turning into soil.<span>Due to the weathering of the rock, the childrens' playground started turning into soil.</span>
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Draw the organic product of the following nucleophilic substitution reaction. Include all hydrogens atoms.
Sunny_sXe [5.5K]
<span>Answer: CH3-CH2-0-CH2-CH3 that is diethyl ether mechanism is SN2</span>
8 0
3 years ago
Entropy change in an internally reversible isothermal process is _______ to the temperature of the system.
alukav5142 [94]

Answer:

Internally reversible is the answer.

Explanation:

3 0
2 years ago
A graduated cylinder was filled with water to the 25.0 mL mark and weighed. Its mass was 105.5g. An object made of an unknown me
Marta_Voda [28]
The answer <span>is <span>8.9 g/mL</span>.</span>

The density (D) is <span>equal to mass (m) divided by volume (V): D = m/V

Let's find the mass of the object:
m = 156 g - 105.5 g = 50.5 g

Let's find the volume of the volume:
V = 30.7 mL - 25 mL = 5.7 mL

The density is:
D = m/V = 50.5 g  / 5.7 mL = 8.9 g/mL</span>
6 0
3 years ago
What is the concentration if 20 grams of NaOH was dissolved in enough water to make a 250 mL NaOH solution?
gizmo_the_mogwai [7]

Answer: 1 molar NaOH contains 40 grams of NaOH per every liter of water

Explanation:

so 2 M NaOH contains twice that amount, ie. 80 grams per liter. Then, ine 250 ml of weater, there should be 80/4 = 20 grams of solid NaOH dissolved.

3 0
3 years ago
What type of molecule is acetylacetone?
Vlada [557]

Answer:

c. ketone

Explanation:

the answer is ketone

6 0
2 years ago
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