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zhenek [66]
2 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]2 years ago
4 0

Answer:

3,3453 thank me later

Explanation:

1,3433

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Neko [114]

Explanation:

The mass of a pot is 300g and contains 90% aluminum. Find the number of moles of aluminum in the pot. P.A. (Al = 27)

The mass of aluminum present in the pot is:

300 g * 90/100\\=270 g

Hence, in the given pot 270g Al is present.

Number of moles of Al=\frac{given mass ofAl}{its molar mass}

The gram atomic mass of Al -27 g/mol

Given the mass of Al is 270 g

Substitute these values in the above formula:

Number of moles of Al=\frac{given mass ofAl}{its molar mass}\\=\frac{270 g}{27 g} \\=10.0 mol

Answer is 10.0 mol of Al is present.

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2 years ago
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Answer:

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