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vampirchik [111]
3 years ago
6

Which of these is correct?

Chemistry
1 answer:
Viktor [21]3 years ago
5 0

Answer:

1.89 nol Cu(NO3)2

Explanation:

if you calculate it it will be 1.89

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What is a neutralisation reaction? Give two examples.
ozzi

Explanation:

A neutralization is a type of double replacement reaction. a salt is the product of an acid-base reaction and is a much broader term then common table salt.

Example:-

(i) HCl + NaOH ---> NaCl + HOH

(ii) H2SO4 + 2NH4OH ---> (NH4)2SO4 + 2HOH.

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Why do the protons identify the element and not the electrons or the<br> neutrons?
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Protons identity the element because the number of protons gives us the atomic number of each element
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What is difference between layer A and layer b? ​
lakkis [162]

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Three-year-old Ben and his father are playing with a ball at the park. Ben's father throws a
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8 0
4 years ago
Read 2 more answers
How many moles are in 8.32 times 1024 molecules of CO2
Svetradugi [14.3K]

Answer:

13.8 mol CO₂

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

<u>Step 1: Define</u>

8.32 × 10²⁴ molecules CO₂

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

Avogadro's Number

<u>Step 3: Convert</u>

<u />8.32 \cdot 10^{24} \ molecules \ CO_2(\frac{1 \ mol \ CO_2}{6.022 \cdot 10^{23} \ molecules \ CO_2} ) = 13.816 mol CO₂

<u>Step 4: Check</u>

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

13.816 mol CO₂ ≈ 13.8 mol CO₂

3 0
3 years ago
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