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BaLLatris [955]
3 years ago
7

What are two characteristics for bases.

Chemistry
1 answer:
Burka [1]3 years ago
8 0

Answer:

slippery, often used as cleaning products, have a high pH, things like bleach and laundry detergent

Explanation:

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Mendeleev's periodic table of elements was created in 1901.<br> O A. True<br> O B. False
LiRa [457]
B. False
It was created in 1869
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3 years ago
How many grams are in 0.35 moles of C2H4? please show dimensional analysis
fredd [130]

Answer:

9.8g

Explanation:

Using periodic table find molar mass of C and H:

C=12.01g/mol

H=1.008g/mol

Molar mass of C2H4=(12.01)2+(1.008)4=28.03g/mol

Using molar mass times moles of the chemical to find the mass in 0.35 moles of c2h4:

28.03 x 0.35=9.8grams

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3 years ago
An element with partially filled P orbitals is called a ________?
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It might be p-block elements but im not so positive
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Calcium carbonate decomposes into calcium oxide and carbon dioxide. If 530 g of calcium carbonate decomposes, how many grams of
Rudik [331]

Answer:

233 g

Explanation:

Let's consider the following reaction.

CaCO₃ → CaO + CO₂

We can establish the following relations:

  • The molar mass of calcium carbonate is 100.09 g/mol.
  • The molar ratio of calcium carbonate to carbon dioxide is 1:1.
  • The molar mass of carbon dioxide is 44.01 g/mol

The mass of carbon dioxide produced from 530 g of calcium carbonate is:

530gCaCO_{3}\frac{1molCaCO_{3}}{100.09gCaCO_{3}} ,\frac{1molCO_{2}}{1molCaCO_{3}} .\frac{44.01gCO_{2}}{1molCO_{2}} =233gCO_{2}

8 0
3 years ago
When light moves from one substance to another, it can change direction. The following picture shows how this change can make an
Vladimir [108]
C. Refraction. When light enters a different medium, it changes direction due to change in speed and wavelength.
6 0
3 years ago
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