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zhenek [66]
3 years ago
15

HELP PLEASEEEEEEEEEEEEEEEEEE I CANT GO CANRVIL IF I CANT PASS THIS THEY WANNA SEE MY GRADES AND THIS WILL HELP ME GET MY GRADES

UP AND IM DOING ANOTHER QUESTION FOR THE REST OF THE PICS AND 30 POINTS!!! 6.5A Questions 1-6 are from Lesson 1.01. Directions: Identify the models in each picture as an element or a compound. Question 1 (Mandatory) (2 points) Saved Question 1 options: Question 2 (Mandatory) (2 points) Saved Question 2 options: Question 3 (Mandatory) (2 points) Question 3 options: Question 4 (Mandatory) (2 points) Question 4 options: Question 5 (Mandatory) (2 points) Question 5 options: Question 6 (Mandatory) (2 points) Question 6 options: 6.5B Questions 7-10 are from Lesson 1.01. Directions: Label each graph as either: Earth's Atmosphere, Earth's Crust, Earth's Oceans, or Life on Earth. Question 7 (Mandatory) (2 points) Question 7 options: Question 8 (Mandatory) (2 points) Question 8 options: Question 9 (Mandatory) (2 points) Question 9 options: Question 10 (Mandatory) (2 points) Question 10 options: 6.5C Questions 11-15 are from Lesson 1.02. Directions: Use the mnemonic to identify which type of evidence of a possible chemical change is shown. 6.5 Matter and energy. The student knows the difference between elements and compounds. The student is expected to: (C) identify the formation of a new substance by using the evidence of a possible chemical change such as production of a gas, change in temperature, production of a precipitate, or color change. Question 11 (Mandatory) (2 points) Question 11 options: Question 12 (Mandatory) (2 points) Question 12 options: Question 13 (Mandatory) (2 points) Question 13 options: Question 14 (Mandatory) (2 points) Question 14 options: Question 15 (Mandatory) (2 points)

Chemistry
1 answer:
Daniel [21]3 years ago
4 0

Answer:

3,3453 thank me later

Explanation:

1,3433

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Which element has the lowest ionization energy?
Andreas93 [3]

Answer:

Cs

Explanation:

This question is formatted oddly, but I understand the gist of it. Essentially, even if the periodic table is cut off by one row and missing the lanthanides and actinides, basic rules of the table still apply.

Remember the general trend of ionization energy: <u>the farther to the right and the farther up, the higher the ionization energy.</u>

As an example, fluorine is the "t-rex" of the elements because it's so electronegative that it hoards electrons, and that means it's hard to take its electrons away, which gives it a high ionization energy.

Out of the given choices, cesium Cs has the lowest ionization energy because it's so far to the left and so low. You can just nab an electron and it won't even mind too much.

<em>Why not the other answer choices? </em>Bromine is a halogen (so it's on the far right of the table) and it's fairly high up, so its ionization energy is much too high. Argon is a noble gas, so it's so stable that it hates it when someone tries to take an electron away; it has a very high ionization energy. Nickel, likewise, is a transition metal, so it's not the answer either.

8 0
3 years ago
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How many moles of air are there in a 3 L container at 1 atm pressure and 294 K?Use PV=nRT
Keith_Richards [23]

The ideal gas law states: PV=nRT

If we put in the data.

1\cdot7=n\cdot8.31\cdot294 \\n=\boxed{2.865\cdot10^{-3}mol}=\boxed{2.865mmol}

Hope this helps.

r3t40

3 0
4 years ago
How many significant figures are in the following number?
maks197457 [2]

Answer:

the answer is b. 2

hope it helps

8 0
3 years ago
Https://www.change.org/p/scholastic-bring-back-maya-and-miguel/dashboard?source_location=user_profile_started
charle [14.2K]

Answer:

I got it

Explanation:

Thank you friend

6 0
3 years ago
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Pls help 2-3 tyvm ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎ ‏‏‎ ‎
Triss [41]

Answer:

I could I guess?

But like only 1 lol

Explanation:

6 0
3 years ago
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