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Alexus [3.1K]
3 years ago
11

How much heat would need to be absorbed for 40g of ice to melt?

Chemistry
1 answer:
Eddi Din [679]3 years ago
3 0

Answer:

- 19501130 dhakdjsu dhakdjsu 2

Explanation:

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Here is a site my buddie has to help you. Well co-owner..
https://www.quora.com/Why-is-fresly-prepared-FeSO4-required-for-the-ring-test
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3 years ago
Seaweed attached to rocks in the ocean performs photosynthesis underwater. Which statement best explains how some seaweed can su
tia_tia [17]

Answer:

It can use a small amount of sunlight for photosynthesis

Explanation:

Seaweeds are a group of marine plants/algae that grow attached to rocks underwater. However, despite their depth underwater, they still perform photosynthesis, which is a process that requires energy from sunlight.

Seaweeds are able to perform photosynthesis underwater because they are efficient users of sunlight energy. Hence, they require only a small amount of sunlight that penetrates the ocean to perform photosynthesis.

8 0
3 years ago
How does the Sun fit into a food web?
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It fits into the food web by being a producer by producing light for other organisms such as grass and other plants
6 0
3 years ago
What is the molar mass of 4.23 g of an elemental gas in a 2.5L container at 282K and 1.4 atm?
balu736 [363]

Answer:

27.98g/mol

Explanation:

Using ideal gas law equation;

PV = nRT

Where;

P = pressure (atm)

V = volume (L)

T = temperature (K)

n = number of moles (mol)

R = gas law constant (0.0821 Latm/molK)

According to the information given:

V = 2.5L

P = 1.4 atm

T = 282K

n = ?

Using PV = nRT

n = PV/RT

n = 1.4 × 2.5/0.0821 × 282

n = 3.5/23.1522

n = 0.151mol

Using the formula to calculate molar mass of the elemental gas:

mole = mass/molar mass

Molar mass = mass/mole

Molar mass = 4.23g ÷ 0.151mol

Molar mass = 27.98g/mol

6 0
3 years ago
At STP, the element oxygen can exist as either O2 or O3 gas molecules. These two forms of the element have (1) the same chemical
Oduvanchick [21]

Answer:

O2 and O3 are allotropes of Oxygen, therefore they have (4) different chemical and physical properties.

Explanation:

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3 years ago
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