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mojhsa [17]
3 years ago
8

Seriously need help with this!! (〒﹏〒)(〒﹏〒)

xFormula1" title=" \: \: \: " alt=" \: \: \: " align="absmiddle" class="latex-formula">
​

Chemistry
2 answers:
saveliy_v [14]3 years ago
8 0

Answer:

\:  \:  \:

NH3

White raven [17]3 years ago
4 0

Explanation:

NH3(ammonia)

that is the answer

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(6.21×10^3)(0.1050) <br><br>(Scientific Notation)
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6.21 x 10^3 = (Move decimal point 3 spaces to the right)

6210

6210 (0.1050)

652.05
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What type of reaction is iron+ sulfur
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Exothermic. The reaction of the two elements form the compound iron sulfide.

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Some scientists believe that comets originate from the...​
deff fn [24]

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What forms of technology are scientists using to study El Nino
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a network of buoys.

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3 0
3 years ago
Upon decomposition, a sample of sodium bicarbonate produces 0.0118 g of sodium carbonate, Na2CO3. How many grams of water does i
Naily [24]

Answer:

2.00 × 10⁻³ g

Explanation:

Step 1: Write the balanced decomposition reaction

2 NaHCO₃ ⇒ Na₂CO₃ + CO₂ + H₂O

Step 2: Calculate the moles corresponding to 0.0118 g of Na₂CO₃

The molar mass of Na₂CO₃ is 105.99 g/mol.

0.0118 g × 1 mol/105.99 g = 1.11 × 10⁻⁴ mol

Step 3: Calculate the moles of H₂O produced with 1.11 × 10⁻⁴ moles of Na₂CO₃

The molar ratio of Na₂CO₃ to H₂O is 1:1. The moles of H₂O produced are 1/1 × 1.11 × 10⁻⁴ mol = 1.11 × 10⁻⁴ mol.

Step 4: Calculate the mass corresponding to 1.11 × 10⁻⁴ moles of H₂O

The molar mass of H₂O is 18.02 g/mol.

1.11 × 10⁻⁴ mol × 18.02 g/mol =  2.00 × 10⁻³ g

7 0
3 years ago
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