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Leni [432]
3 years ago
11

How does water's dissolving power support life on Earth?

Chemistry
1 answer:
kozerog [31]3 years ago
6 0
The dissolving power of water is very important for life on Earth. Wherever water goes, it carries dissolved chemicals, minerals, and nutrients that are used to support living things. Because of their polarity, water molecules are strongly attracted to one another, which gives water a high surface tension
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Consider the reaction 2CuCl2 + 4K - 2Cul + 4KCI + 12. If 4 moles of CuCl2 react with 4 moles of KI, what is the limiting reactan
Free_Kalibri [48]
Haha i’m trying to do the same one i’ll make sure if i find out how too to get back to you!
8 0
3 years ago
1 point
Elina [12.6K]

Answer:

84672 J

Explanation:

From the question given above, the following data were obtained:

Height (h) = 72 m

Combined mass (m) = 120 Kg

Acceleration due to gravity (g) = 9.8 m/s²

Energy (E) =?

We can obtain the energy by using the following formula:

E = mgh

Where

E => is the energy.

g => is the acceleration due to gravity

m => is the mass.

h => is the height.

E = 120 × 9.8 × 72

E = 84672 J

Thus, the energy is 84672 J

6 0
3 years ago
24 grams of iron is added to a graduated
Vanyuwa [196]

Answer:

d = 8 g/mL

Explanation:

Given data:

Mass of metal = 24 g

Volume of eater = 45 mL

Volume of water + metal = 48 mL

Density of iron metal = ?

Solution:

Volume of metal:

Volume of metal = volume of water+ metal - volume of water

Volume of metal = 48 mL - 45 mL

Volume of metal = 3 mL

Density of metal:

d = m/v

d = 24 g/ 3 mL

d = 8 g/mL

4 0
3 years ago
Which of the following is not a characteristic of a solution?What is the concentration of a solution?
vladimir2022 [97]

Answer: B. it will scatter a beam of light

Explanation: hope it is helpful........

3 0
3 years ago
A reaction produces 0.809 moles of h2o. how many molecules are produced?
PSYCHO15rus [73]
Use Avogadro's number which is numerically equal to ...

( 6.02 multiply by 10 to the power of negative 23) 


Avocado's number is the number of particle(molecules, ions, atoms)  present in one mole of substance.

number of molecule in 0.809 mole of h20 = ....

one mole of h20 contains (6.02* 10^-23)

0.809 mole contains....(6.02* 10^-23) (0.809)
which is equal to [4.951* 10 ^-23]

if I made no mistake in calculation...it must be correct
3 0
3 years ago
Read 2 more answers
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