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3 years ago

Helpppppppppppppppppppppppppppppppppppppppp

Chemistry

2 answers:

Pie3 years ago

8 0

Answer:

for the first one. it can get to freezing temperatures there making it difficult for plants to take a root. the larch is one of the only deciduous trees able to survive in the freezing northern taiga.

Explanation:

plants in taiga biomr plants are conifers, trees that have adapted to the cold and have needles instead of leaves. the spruce, pine, fir, and larch are the most common plant species in the taiga. hope that helps

bija089 [108]3 years ago

4 0

Colorful flowers and blueberrie looking ones and the trees

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How many moles of gold, Au, are in 3.60 x 10^-5 g of gold?

zlopas [31]

<h3>Answer:</h3>

1.83 × 10⁻⁷ mol Au

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Reading a Periodic Table
Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

3.60 × 10⁻⁵ g Au (Gold)

<u>Step 2: Identify Conversions</u>

Molar Mass of Au - 196.97 g/mol

<u>Step 3: Convert</u>

Set up: $\displaystyle 3.60 \cdot 10^{-5} \ g \ Au(\frac{1 \ mol \ Au}{196.97 \ g \ Au})$
Multiply: $\displaystyle 1.82769 \cdot 10^{-7} \ mol \ Au$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

1.82769 × 10⁻⁷ mol Au ≈ 1.83 × 10⁻⁷ mol Au

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3 years ago

Which type of radiation particle, emitted from a nuclear reaction, is most similar to a helium nucleus?

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Sholpan [36]

Answer: The one listed below that's NOT an example of potential energy is mechanical energy. Mechanical energy is categorized as a kinetic energy with light, sound, and thermal/heat energy.

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sp2606 [1]

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Explanation:

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