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qaws [65]
3 years ago
10

10 To draw a perfect circle, you'll need: A A protractor B. A sextant С A compass D A spirograph 10 of 10​

Chemistry
1 answer:
mestny [16]3 years ago
7 0

Answer:

B

Explanation:

Two quick google searches later I grace you with the google has bestowed upon me

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Which of the following is true for all chemical reactions
Zolol [24]
The answer to the question is C
5 0
3 years ago
HRISTINA HERRERA: Attempt 1
Lunna [17]

Answer:

7.5 g of hydrogen gas reacts with 50.0 g oxygen gas to form 57.5 g of water.

Explanation:

Here we have the check if the mass of the reactants is equal to the mass of the products.

Reactants

7.5+50=57.5\ \text{g}

Products

57.5\ \text{g}

The data is consistent with the law of conservation of matter.

Reactants

50+243=293\ \text{g}

Products

206+97=303\ \text{g}

The data is not consistent with the law of conservation of matter.

Reactant

17.7+34.7=52.4\ \text{g}

Products

62.4\ \text{g}

The data is not consistent with the law of conservation of matter.

Only the first data is consistent with the law of conservation of matter.

8 0
3 years ago
Where hydrogen is located in the formula​
lions [1.4K]
Its atomic symbol is H and its atomic number is one. Hydrogen; Hydrogen, H, is a chemical element with atomic number 1. At standard temperature and pressure, hydrogen is a colorless, odorless, nonmetallic, tasteless, highly flammable diatomic gas with the molecular formula H2.

Hydrogen is easily the most abundant element in the universe. It is found in the sun and most of the stars, and the planet Jupiter is composed mostly of hydrogen. On Earth, hydrogen is found in the greatest quantities as water.
8 0
3 years ago
Choose all the answers that apply. Sulfuric acid is found in acid rain. Its chemical formula is H2SO4. Which of the following is
AleksandrR [38]

Answer:

Looks like 2 hydrogen and sulfuric oxide 4

7 0
3 years ago
Each year as the weather gets cold, gray whales swim over 10.000 miles from arctic waters south to coastal areas of
Svetradugi [14.3K]

Answer:

external

migration

Explanation:

4 0
3 years ago
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