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valina [46]
1 year ago
5

What is the answer for this question?

Chemistry
1 answer:
andrew11 [14]1 year ago
5 0

Answer:

See explanation, some might be graded as wrong if it's an automatic grading system but most

Explanation:

1. lose
2. valence
3. noble (Atoms don't actually always do this, but since the word gas is after the blank, it is the only option)

4. 4
5. have
6. 10

5 and 6 are a little ambiguous and could have many answers  

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BALANCE the following equations then write the NET IONIC EQUATION for each one: ____Ni(NO​ 3​ )​ 2​​(aq)​ + ____NaOH ​(aq)​ ​→ ​
Karo-lina-s [1.5K]

Answer:

Ni(NO3)2 + 2NaOH → Ni(OH)2 + 2NaNO3

NET IONIC EQUATION :

Ni +2(aq)  + 2(NO3) -1(aq)  + 2Na +1(aq)  + 2OH -1(aq)

→ Ni(OH)2 (s)  + 2Na +1(aq)  +  2(NO3) -1(aq)

sorry there is no space to write the reaction in one line...

8 0
3 years ago
Match the term with its description.
Ilia_Sergeevich [38]

pH(D) A compound that increases the hydroxide ions (OH-) when it is dissolved in a solution

8 0
2 years ago
Read 2 more answers
What mass of hydrochloric acid (in grams) can 2.7 g of sodium bicarbonate neutralize? (Hint: Begin by writing a balanced equatio
Julli [10]

Answer:

1.17 grams of HCl can neutralize 2.7 grams sodium bicarbonate

Explanation:

Step 1: Data given

Mass of sodium bicarbonate = 2.7 grams

Step 2: The balanced equation

HCl + NaHCO3 ⇔  NaCl + H2O + CO2

Step 3: Calculate moles NaHCO3

moles NaHCO3 =2.7 g / 84 g/mol= 0.032 moles

Step 4: Calculate moles HCl

For 1 mol NaHCO3 we need 1 mol HCl

For 0.032 moles NaHCO3 = 0.032 moles HCl

Step 5: Calculate mass HCl

Mass HCl = moles HCl * molar mass HCl

mass HCl = 0.032 * 36.46 g/mol= 1.17 grams

1.17 grams of HCl can neutralize 2.7 grams sodium bicarbonate

3 0
3 years ago
What specifically determines how much energy is available in a molecular
HACTEHA [7]

C  The number and types of bonds within the molecule.

Explanation:

In a molecule, the number and types of bonds present determines the amount of available energy therein.

When bonds are broken or formed, energy is usually released.

  • Elements combine with one another in order to attain stability in this state.
  • Through this process, they form bonds by attraction.
  • Where atoms exchange their valence electrons by losing or gaining it, electrovalent bonds form.
  • In covalent molecules, electrons are usually shared between atoms.
  • An attraction result from this type of interaction.
  • The bond formed stores energy in the process.
  • When bonds are broken, energy is usually released. The energy accrues when the bond was being formed.
  • In molecules, we have covalent bond.

Learn more:

Bond brainly.com/question/7213980

Covalent bonds brainly.com/question/5258547

#learnwithBrainly

4 0
3 years ago
How might a hurricane in Florida cause anomalous nest data
cluponka [151]
Assuming that the nests are bird's nests and the data is a data gathered by the biologists about those nests. 
A hurricane would cause some damage to the nests that is existent and cause a remarkably low count even during breeding season. It would also influence later birds because of population weakening due to the hurricane.
6 0
3 years ago
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