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Bad White [126]
3 years ago
8

What is the main factor responsible for the acidic and basic character of oxides?

Chemistry
1 answer:
lidiya [134]3 years ago
7 0

Explanation:

<h3>We define non-metal oxide acidity in terms of the acidic solutions formed in reactions with water. For example, sulfur trioxide reacts with water to forms sulfuric acid. In sum, acidic oxides are oxides of non-metals, and basic oxides are oxides of metals. ... CrO is basic, Cr2O3 is amphoteric and CrO3 is acidic.</h3>

<h2><em><u>Reply</u></em><em><u> </u></em><em><u>me</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>comme</u></em><em><u>nts</u></em></h2>
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Name the five practices that are part of the scientific inquiry process.
soldi70 [24.7K]
Sorry if I'm wrong but it's 1) learner engages in scientifically oriented questions. 2) learner gives priority to evidence in responding to questions. 3) learners formulate explanations from evidence. 4) learner connects explanations to scientific knowledge. 5) learner communicates explanations.
3 0
3 years ago
Which shows the correct relationship between the molecular formula and the empirical formula for C2H10N2?
SIZIF [17.4K]
The correct answer is A. molecular formula = 2 x empirical formula

The given compound C2H10N2 is the molecular formula because the ratios of the elements are not reduced into lowest terms (empirical formula). To get the empirical formula, the ratios must be reduced to the smallest possible integral ratio which gives CH5N. As a result, the ratio between both formulas is 2.
3 0
3 years ago
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The radioisotope that has the longest half-life is the best to use in powering planet and space exploration vehicles because the
Diano4ka-milaya [45]

Answer:

U-238

Explanation:

For a given radioisotope, half life can be defined as the time taken for the isotope to decay into one-half of its original amount. Mathematically, this is expressed as:

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where k = rate constant for the radioactive decay process

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Based on the given data, U-238 has the largest half life and therefore will be best suited for applications mentioned.

4 0
3 years ago
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From the unbalanced reaction: B2H6 + O2 ---&gt; HBO2 + H2O
Drupady [299]

Answer: 125 g

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} B_2H_6=\frac{36.1g}{17}=1.30moles

The balanced reaction is:

B_2H_6+3O_2\rightarrow 2HBO_2+2H_2O

According to stoichiometry :

1 mole of B_2H_6 require = 3 moles of O_2

Thus 1.30 moles of B_2H_6 will require=\frac{3}{1}\times 1.30=3.90moles  of O_2

Mass of O_2=moles\times {\text {Molar mass}}=3.90moles\times 32g/mol=125g

Thus 125 g of O_2 will be needed to burn 36.1 g of B_2H_6

4 0
3 years ago
What is evaporation ?<br><br> bubblycherry101, have you left ?
Marrrta [24]

Answer:

the process of turning from liquid into vapour.

6 0
3 years ago
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