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Mkey [24]
3 years ago
5

Water is often called the “universal solvent” becuase many substances can be dissolved in water. What property of water allows i

t to be such a versatile solvent?
expansion upon freezing
polarity and cohesion
purity
high heat capacity
Biology
1 answer:
LenaWriter [7]3 years ago
8 0

Answer:

polarity and cohesion

Explanation:

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Do water and methane have different freezing/melting, and boiling/condensation points?
zvonat [6]

Answer

Yes

Explanation:

water freezes at 32f and methane freezes at -295.6°F

5 0
3 years ago
How does the author’s use of details convey her point of view about Eleanor Roosevelt’s life and legacy?
Vera_Pavlovna [14]

Author's use of details convey to Eleanor Rossevelt life and legacy are described below.

Explanation:

1.She advocated for expanded roles for women in the workplace, the civil rights of African Americans and Asian Americans, and the rights of World War II refugees. Following her husband's death in 1945, Roosevelt remained active in politics for the remaining 17 years of her life.

2.The fireside chats were a series of evening radio addresses given by U.S. President Franklin D. Roosevelt (known colloquially as "FDR") between 1933 and 1944.

3..President Theodore Roosevelt, an Oyster Bay Roosevelt, was the uncle of Eleanor Roosevelt later wife of Franklin Roosevelt. Despite political differences that caused family members to actively campaign against each other, the two branches generally remained friendly.

4.Champions of Human Rights. Eleanor Roosevelt (1884–1962)

  • Continuing her work on behalf of all people, she advocated equal rights for women, African-Americans and Depression-era workers, bringing inspiration and attention to their causes.

7 0
3 years ago
What determines if an ion is negative or positive?
Anna71 [15]

Answer:

the number of electrons in it's outermost energy level

Explanation:

if the number of electrons in its outermost energy level is less than 4 that's the ion reacts by losing electrons and is thus the ion is positively charged

is the number of electrons in the outermost energy level is more than 48 react by gaining electrons and thus it is negatively charged

5 0
3 years ago
Read 2 more answers
Celery kept in the refrigerator for several days becomes limp why does this happen
Anastaziya [24]

Answer:

Because celery has losen the cell turgidity.

Explanation:

Celery <em>(Apium graveolens) </em>belongs to the family Apiaceae, is a marshland plant. Celery is used as a salad and its extract is used fro the preparation of herbal medicine.

Celery when kept in refrigerator for several days becomes limp as celery lose its water content and become dehydrated. The cell turgidity has been lost and celery wilt.

8 0
3 years ago
What is the KE of a 250kg cart as it reaches the bottom if it’s velocity was 22m/s?
tensa zangetsu [6.8K]

Answer:

Kinetic energy = 60500 J

Explanation:

Given that,

Mass of the cart, m = 250 kg

Velocity of the cart, v = 22 m/s

We need to find the kinetic energy of the cart. This type of energy is possessed due to motion of an object. It can be given by :

E_k=\dfrac{1}{2}mv^2\\\\E_k=\dfrac{1}{2}\times 250\times (22)^2\\\\E_k=60500\ J

So, the kinetic energy of the cart is 60500 J.

6 0
3 years ago
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