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bazaltina [42]
4 years ago
13

The positive and negative ions in two compounds switch places is ______________ *

Chemistry
1 answer:
UkoKoshka [18]4 years ago
4 0

Answer:

Double replacement

Explanation:

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Based on the balanced chemical equation for the preparation of malachite, what is the composition of the bubbles formed when sod
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Answer:

Carbon Dioxide = CO2

Explanation:

The synthesis of Malachite is seen in the chemical formula:

CuSO 4 . 5H2O(aq) + 2NaCO3(aq) --> CuCO 3 Cu(OH) 2 (s) + 2Na 2 SO 4 (aq) + CO 2 (g) + 9H 2 O(l)

The bubbles mentioned in the question hints that our interest is the compounds in their gseous phase  (g).

Upon examining the chemical equation, only CO2 is in the gaseous state and hence the only one that can be formed as bubbles,

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3 years ago
system of equations You and your friend are making 30 liters of sodium water. You have liters of 10% sodium and your friend has
vovikov84 [41]

Answer:

X liters of 10% + (30 - x) liters of 22% = 30...

7 0
2 years ago
If the concentration of brown sand is 2.0 ppm, how many grains of brown sand are in the bucket?
AysviL [449]

I believe the complete given is that the bucket of sand contains 9.5 billion grains of sand. That is:

bucket = 9,500,000,000 grains

 

and the concentration of brown sand is 2 ppm:

concentration brown sand = 2 / 1,000,000

 

Therefore:

brown sand = 9,500,000,000 * (2 / 1,000,000)

<span>brown sand = 19,000 grains</span>

8 0
3 years ago
What is the total number of atoms in a molecule of ch 3 oh?
algol13
Number of Atoms in Methanol are calculated as,

Write chemical formula of Methanol,

                                                      CH₃-OH

Find out Subscripts:
                                There is only one subscript (₃) written after Hydrogen, it means there are 3 Hydrogen atoms attached to Carbon atoms.

Add all atoms in molecule:
                                           Carbons  =   1
                                       Hydrogens  =   4
                                          Oxygens  =   1
                  Total Atoms                        ______
                          
                                                               6 Atoms
6 0
3 years ago
Read 2 more answers
Can red cabbage juice indicator be used to determine the strength of acids and bases? Explain.
V125BC [204]

Answer:

Very acidic solutions will turn an anthocyanin red whereas neutral solutions will make it purplish and basic solutions will turn it greenish-yellow. Consequently, the color an anthocyanin solution turns can be used to determine a solution's pH—a measure of how basic or acidic a solution is. Grate a small red cabbage.

4 0
3 years ago
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