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Zigmanuir [339]
3 years ago
13

What is a primary role of decomposers in an ecosystem?

Chemistry
1 answer:
AlexFokin [52]3 years ago
4 0

Answer:

c

Explanation:

they use oxygen in their breakdown process and at the end of the breakdown they return nutrients like carbon dioxide and nitrogen back to the ecosystem.

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true or false? the radioactive nature of a specific element does not change even if the element is chemically combined with anot
julsineya [31]

Answer: yes

Explanation:

even in combined state, radioactive elements continue to emit radiation spontaneously. For instance RaCl2 is still radioactive because of the radium content of the compound. This is applied positively in radionuclides used to study chemical reactions or uptake of certain elements in then body.

4 0
3 years ago
6.) 50.0 mol H2O<br> ? molecules
8_murik_8 [283]
<h3>Answer:</h3>

3.01 × 10²⁵ molecules H₂O

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

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<h3>Explanation:</h3>

<u>Step 1: Define</u>

50.0 mol H₂O

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

Avogadro's Number

<u>Step 3: Convert</u>

<u />\displaystyle 50.0 \ mol \ H_2O(\frac{6.022 \cdot 10^{23} \ molecules \ H_2O}{1 \ mol \ H_2O} ) = 3.011 × 10²⁵ molecules H₂O

<u>Step 4: Check</u>

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

3.011 × 10²⁵ molecules H₂O ≈ 3.01 × 10²⁵ molecules H₂O

5 0
3 years ago
Given the following information: formic acid = HCOOH acetic acid = CH3COOH HCOOH is a stronger acid than CH3COOH (1) Write the n
eimsori [14]

Answer:

Explanation:

Attach is the net ionic equation

4 0
4 years ago
If you are asked to compare matter in solid, liquid, and gaseous states, which statement best defines a gas?
Natali [406]
<span>The answer is A. Gases are spread throughout the air and not packed tightly together. therefore the molecules move quickly and are least densely packaged. They have the highest energy because they also have the highest molecular motion. </span>
5 0
3 years ago
Read 2 more answers
What is the mass in grams of 0.250 mol CH2Cl2?
Orlov [11]

Answer:

21.2 grams CH2Cl2

Explanation:

Number of moles: .25

Molar mass of CH2Cl2: 84.93 g/mol

Mass in grams: 84.93(0.250) = 21.2325

4 0
3 years ago
Read 2 more answers
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