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blondinia [14]
3 years ago
8

I need help with this

Chemistry
1 answer:
Lelechka [254]3 years ago
7 0

Answer:

The answer is its equal to the volume of its container.

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I hope this helps! :)

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several dams on the colorado river in texas produce electricity through hydropower. what is an advantage of this type of energy
Ivanshal [37]

Explanation:

hydropower energy is:

-renewable

-clean (doesn't produce toxins or emit harmful gases into the atmosphere)

-environment friendly

-cheap once installed

3 0
3 years ago
In an experiment, 4.14 g of phosphorus combined with chlorine to produce 27.8 g of a white solid compound. what is the empirical
Umnica [9.8K]

Grams of Phosphorus = 4.14 grams 
Grams of white compound = 27.8 grams 
Grams of Chlorine would be = 27.8 - 4.14 = 23.66 grams
 Calculating moles which would be grams / molar mass
 Molar mass of P = 30.97 grams / moles; Molar mass of Cl = 35.45 grams / moles
 Moles of Phosphorus = 4.14 grams / 30.97 grams / moles = 0.1337 moles
 Moles of Chlorine = 23.66 grams / 35.45 grams / moles = 0.6674 moles
 Calculating the ratios by dividing with the small entity
 P = 0.1337 moles / 0.1337 moles = 1
 Cl = 0.6674 moles / 0.1337 moles = 5 
So the empirical formula would be PCl5
3 0
3 years ago
Reactions are classified as either exothermic or endothermic. . ____________ reactions feel hot (e.g., a burning campfire), wher
creativ13 [48]

Answer:

Exothermic reactions feel hot

Endothermic reactions feel cool

Explanation:

In an exothermic reaction, heat is given out by the system. The energy of the reactants is greater than that of the products hence the excess energy is given off as heat. The reaction vessel feels hot.

In an endothermic reaction, the energy of products is greater than that of the reactants hence energy is taken into the system and the reaction vessel feels cool.

7 0
3 years ago
Is Fe2O3+H2--2Fe+3H2O balanced or unbalanced?
NISA [10]

hydrogen is not balanced

the right balanced equation is

Fe2O3 + 3 H2 -> 2Fe + 3H2O

3 0
3 years ago
What are the categories when earth is divided according to its chemical composition? ​
STALIN [3.7K]
The Earth is divided into three chemical layers: the Core [Inner Core (D) and Outer Core (C)], the Mantle (B) and the Crust (A). The Core is predominantly composed of iron and nickel. Even after 4.5 billion years of cooling, the Earth's core remains very hot.
3 0
2 years ago
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