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3 years ago

What is the approximate tilt of the earth? 18° 23° 45° 60°

Chemistry

2 answers:

balandron [24]3 years ago

7 0

The answer is 23.5° but I guess 23° is closest

Mariana [72]3 years ago

3 0

Not the approximate tilt the exact is 23 1/2 degrees

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Which of the following is true about an ionic compound?

Genrish500 [490]

<span>D. all of the above because ionic compound is a salt. it is also held together by ionic bonds. it has anions and cations </span>

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3 years ago

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Milkweed contains a poison known as cardenolides. Monarch butterflies eat the milkweed plant and hold on to this toxic compound.

igor_vitrenko [27]

Answer:

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Explanation:

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2 years ago

A 2.04 g lead weight, initially at 10.8 oC, is submerged in 7.62 g of water at 52.3 oC in an insulated container. clear = 0.128

alisha [4.7K]

Answer: The final temperature of both the weight and the water at thermal equilibrium is $50.26^{o}C$ .

Explanation:

The given data is as follows.

mass = 7.62 g, $T_{2} = 10.8^{o}C$

Let us assume that T be the final temperature. Therefore, heat lost by water is calculated as follows.

q = $mC \times \Delta T$

= $7.62 g \times 4.184 J/^{o}C \times (52.3 - T)$

Now, heat gained by lead will be calculated as follows.

q = $mC \times \text{Temperature change of lead}$

= $2.04 \times 0.128 \times (T - 11.0)$

According to the given situation,

Heat lost = Heat gained

$7.62 g \times 4.184 J/^{o}C \times (52.3 - T)$ = $2.04 \times 0.128 \times (T - 11.0)$

T = $50.26^{o}C$

Thus, we can conclude that the final temperature of both the weight and the water at thermal equilibrium is $50.26^{o}C$ .

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3 years ago

CH4->C2H6->C2H5Cl->C4H10->C4H9Br->C4H8<br> Help me please solve this

Nookie1986 [14]

What are you solving for?
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3 years ago

Someone plz help me

marshall27 [118]

Answer:

B. 120 cm

Explanation:

The scale is 1 to 15, so when we are given the value of 8cm all you have to do it multiply 8 by 15 which leaves you with 120.

hope this helps!

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3 years ago