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3 years ago

What are intensive properties of a triangle

1 answer:

Ivan3 years ago

7 0

A triangle has three sides, three vertices, and three angles. The sum of the three interior angles of a triangle is always 180°. The sum of the length of two sides of a triangle is always greater than the length of the third side.

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MATH AND SCIENCE

Artyom0805 [142]

Answer:

Explanation:

Formula

% = (dicots/angiosperms) * 100

Givens

angiosperms (total) = 260000

Dicots = 195000

Solution

% = (195000/260000) * 100

% = 0.75 * 100

Answer: % = 75% are dicots

8 0

3 years ago

The equilibrium constant, Kp, for the following reaction is 10.5 at 350 K: 2CH2Cl2(g) CH4(g) CCl4(g) Calculate the equilibrium p

Ostrovityanka [42]

The complete question is as follows: The equilibrium constant, Kp, for the following reaction is 10.5 at 350 K: 2CH2Cl2(g) CH4(g) + CCl4(g) Calculate the equilibrium partial pressures of all species when CH2Cl2(g) is introduced into an evacuated flask at a pressure of 0.968 atm at 350 K. PCH2Cl2 = atm PCH4 = atm PCCl4 = atm

Answer: The equilibrium partial pressures of all species, that is, $CH_{4}$ , $CCl_{4}$ and $CH_{2}Cl_{2}$ is 0.420 atm, 0.420 atm and 0.128 atm.

Explanation:

For the given reaction equation, the initial and equilibrium concentration of involved species is as follows.

$2CH_{2}Cl_{2}(g) \rightarrow CH_{4}(g) + CCl_{4}(g)\\$

Initial: 0.968 atm 0 0

Equilibrium: (0.968 - 2x) x x

Now, $K_{p}$ for this reaction is as follows.

$K_{p} = \frac{P_{CH_{4}}P_{CCl_{4}}}{P^{2}_{CH_{2}Cl_{2}}}\\10.5 = \frac{x \times x}{(0.968 - 2x)^{2}}\\x = 0.420$

$P_{CH_{4}} = x = 0.420 atm\\P_{CCl_{4}} = x = 0.420 atm\\P_{CH_{2}Cl_{2}} = (0.968 atm - 2x) = (0.968 atm - 2(0.420)) = 0.128 atm$

Thus, we can conclude that the equilibrium partial pressures of all species, that is, $CH_{4}$ , $CCl_{4}$ and $CH_{2}Cl_{2}$ is 0.420 atm, 0.420 atm and 0.128 atm.

3 0

3 years ago

What is the main product of the fusion reactions in our sun?

RUDIKE [14]

The sun generates its energy by nuclear fusion of hydrogen nuclei into helium.

8 0

4 years ago

Which of the following are indicators of a chemical change?

artcher [175]

Hey there!
Chemical changes are changes in object's chemical compounds and chemical compositions, and often can't be reversed.
Here's an example:
If you have a piece of paper and you happen to burn it, that can't be reversed.
In other words, it can't be "un-burned". Nothing can restore it to its previous state.
Hopefully this helped!

7 0

4 years ago

Read 2 more answers

What do scientists predict about freshwater resources in the not-too-distant future ?

Galina-37 [17]

Answer:

There will be a critical shortage. -In garden, water plants early in the morning or in the evening.

5 0

3 years ago