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Novay_Z [31]
3 years ago
7

If you start with 50 grams of potassium-42, how much will remain after 62.0 hours?

Chemistry
1 answer:
Licemer1 [7]3 years ago
5 0

Answer:

26.5 is your answer thank you

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In the important industrial process for producing ammonia (the Haber Process), the overall reaction is:
irina [24]

Answer:

- 50.2 kJ

Explanation:

  • From the data given, the heat released per 2.0 moles of NH₃ is - 100.4 kJ.
  • The negative sign means that the reaction is exothermic and the energy is released.
  • <em>So, the ΔH in kJ of heat released per mole of NH₃ formed is (100.4 kJ/2) = - 50.2 kJ.</em>
4 0
3 years ago
Four properties of water are listed.
vichka [17]

Explanation:

Physical property

1- Water is colorless and odorless in its pure form

6 0
3 years ago
Why do some elements that are classified as metals not look metallic?
Shkiper50 [21]

Answer:

So, that students like us get confuse!!!

Explanation:

6 0
3 years ago
What is the molar mass of CuCIO3
Genrish500 [490]
<h3>Answer:</h3>

147.05 g/mol

<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>

  • Reading a Periodic Table
<h3>Explanation:</h3>

<u>Step 1: Define</u>

CuClO₃

<u>Step 2: Find MM</u>

Molar Mass of Cu - 63.55 g/mol

Molar Mass of Cl - 35.45 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of CuClO₃ - 63.55 + 35.45 + 3(16.00) = 147.05 g/mol

5 0
3 years ago
Answer all with detail please! Easy for those who have completed chemistry courses!
Zina [86]

a) CH2O

each element can be divided by 2

b) BCl3

the molecule is already in it's empirical formula

c) CH4

the molecule is already in it's empirical formula

d)CH2O

each element can be divided by 6

5 0
3 years ago
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