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3 years ago

Identify the tropical zones and the temperate zones

Chemistry

2 answers:

zhuklara [117]3 years ago

7 0

The tropical zone is defined by the area between the Tropic of Cancer and Tropic of Capricorn.

The temperate zones are defined by the area between the Tropic of Cancer and the Arctic Circle, and the area between the Tropic of Capricorn and Antarctic circle.

dexar [7]3 years ago

6 0

Tropical Zones
*Tropic of Cancer
*Tropic of Capricorn

I cant see it though

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A 15.0 g sample of nickel metal is heated to 100.0 degrees C and dropped into 55.0 g of water, initially at 23.0 degrees C. Assu

OLEGan [10]

Answer: The final temperature of nickel and water is $25.2^{o}C$ .

Explanation:

The given data is as follows.

Mass of water, m = 55.0 g,

Initial temp, $(t_{i}) = 23^{o}C$ ,

Final temp, $(t_{f})$ = ?,

Specific heat of water = 4.184 $J/g^{o}C$ ,

Now, we will calculate the heat energy as follows.

q = $mS \Delta t$

= $55.0 g \times 4.184 J/g^{o}C \times (t_{f} - 23^{o}C)$

Also,

mass of Ni, m = 15.0 g,

Initial temperature, $t_{i} = 100^{o}C$ ,

Final temperature, $t_{f}$ = ?

Specific heat of nickel = 0.444 $J/g^{o}C$

Hence, we will calculate the heat energy as follows.

q = $mS \Delta t$

= $15.0 g \times 0.444 J/g^{o}C \times (t_{f} - 100^{o}C)$

Therefore, heat energy lost by the alloy is equal to the heat energy gained by the water.

$q_{water}(gain) = -q_{alloy}(lost)$

$55.0 g \times 4.184 J/g^{o}C \times (t_{f} - 23^{o}C)$ = -( $15.0 g \times 0.444 J/g^{o}C \times (t_{f} - 100^{o}C)$ )

$t_{f} = \frac{25.9^{o}C}{1.029}$

= $25.2^{o}C$

Thus, we can conclude that the final temperature of nickel and water is $25.2^{o}C$ .

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3 years ago

Ladybugs eat aphids on plants. Ajoy counts the number of ladybugs in one square meter of his garden.

kirza4 [7]

To estimate the number of ladybugs in the entire garden, Ajoy needs the dimension of the garden.

<h3>What is a dimension?</h3>

Dimensions in mathematics are the measure of the size or distance of an object or region or space in one direction.

Dimensional measurement is of fundamental importance for interchangeability and global trade.

Hence, to estimate the number of ladybugs in the entire garden, Ajoy needs the dimension of the garden.

Learn more about dimensions here:

brainly.com/question/13314350

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2 years ago

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Fofino [41]

Hah what is this work

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4 years ago

A compound accepts electrons from another substance to form a covalent bond. Which term best describes this compound’s behavior?

Cloud [144]

A compound accepts electrons from another substance to form a covalent bond. The compound acts as a Lewis base.

<h3>What are the most common acid-base theories?</h3>

Arrhenius: acids release H⁺ and bases release OH⁻.
Bronsted-Lowry: acids donate H⁺ and bases accept H⁺.
Lewis: acids accept electrons and bases donate electrons.

A compound accepts electrons from another substance to form a covalent bond. Which term best describes this compound’s behavior?

Lewis acid. YES.
Arrhenius base. NO, because OH⁻ is not involved.
Bronsted-Lowry acid. NO, because H⁺ is not involved.
Bronsted-Lowry base. NO, because H⁺ is not involved.

A compound accepts electrons from another substance to form a covalent bond. The compound acts as a Lewis base.

Learn more about Lewis acid-base theory here: brainly.com/question/7031920

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3 years ago

Earths rotation takes about __________, whereas its revolution takes about _______.

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A.) a rotation is the earth "rotating" on its axis while a revolution is the earth "revolving" around the sun so 1 rotation is from sun rise to sun rise while one revolution is from January 1st to the next January 1st

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