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mina [271]
2 years ago
7

What is the difference between mechanical weathering and chemical weathering?? (extra points for whoever answers it first.)

Chemistry
1 answer:
muminat2 years ago
3 0

Answer: Mechanical weathering breaks rocks into smaller pieces without changing their composition.  

Chemical weathering breaks down rocks by forming new minerals that are stable at the Earth's surface.

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Someone please help! this is the last question<br>I only need help with B.<br><br>​
ludmilkaskok [199]

1. mol ratio of Al(NO₃)₃ : Na₂CO₃ = 2 : 3

2. Na₂CO₃ as a limiting reactant

<h3>Further explanation</h3>

Given

Reaction

2 Al(NO₃)₃ + 3 Na₂CO₃ → Al₂(CO₃)₃ + 6 NaNO₃

Required

mol ratio

Limiting reactant

Solution

The reaction coefficient in the chemical equation shows the mole ratio of the components of the compound involved in the reaction (reactants and products)

1. From the equation mol ratio of Al(NO₃)₃ : Na₂CO₃ = 2 : 3

2. mol : coefficient of Al(NO₃)₃ : Na₂CO₃ = 2 mole/2 : 2 mole/3 = 1 : 0.67

Na₂CO₃ as a limiting reactant (smaller)

6 0
3 years ago
Who revised the periodic table
o-na [289]

Answer:

Henry Moseley

Explanation:

4 0
3 years ago
Which of the following measurements has one significant figure?
Phantasy [73]
100 G
YO ABLO ESPANOL TAMBIEN

3 0
3 years ago
For the reaction: h2nnh2 (aq) + h2o(l) ⇌ h2nnh3+(aq) + oh- (aq) determine the conjugate base of the acid?
never [62]
In this reaction, water acts as the base and donates a proton to hydrazine (H2NNH2). Hydrazine becomes protonated: [N2H5]<span>+ And thus hydrazine in this reaction is actually a base. The conjugate base of the acting acid H2O is OH- (hydroxide ion).</span>
4 0
4 years ago
Read 2 more answers
Define climate and weather. What is climate change? Why is it important to know about climate change?
olga55 [171]

Answer:

It's important that we understand how the climate is changing so that we can prepare for the future. Studying the climate helps us predict how much rain the next winter might bring, or how far sea levels will rise due to warmer sea temperatures.

Weather is the state of the atmosphere at any given time and place.

Climate is the long-term average of the weather in a given place

7 0
3 years ago
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