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Likurg_2 [28]
3 years ago
15

Frost disappears from the window in the morning

Chemistry
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

the answer is b

Explanation:

Physical changes affect a substance's physical properties but do not alter its chemical structure. Types of physical changes include boiling, clouding, dissolution, freezing, freeze-drying, frost, liquefaction, melting, smoke and vaporization.

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How many moles of each element are in this sample p2o3
iris [78.8K]

The sample P2O3 ia made P, phosphorus and oxygen elements.

One mole of P2O3 has 2 mole P and 3 mole O

Thus the molar ratio is 2:3


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3 years ago
Factors that limit a technological design are called constrains. But why?
noname [10]

The factors that limit a technological design can be physical and social. The physical limitations are constraints due to nature itself. They  include natural laws and properties of materials.

Social limitations on the other hand are limitations that arise as a result of the society we are living in and include the ease of use, safety, attractiveness, and cost.

3 0
3 years ago
What happens when Ethane is treated with bayers reagent​
swat32

Explanation:

यह लेख एक आधार है। जानकारी जोड़कर इसे बढ़ाने में विकिपीडिया की मदद करें।

उस पदार्थ या यौगिक को अभिकर्मक (reagent) कहते हैं जो किसी तंत्र में रासायनिक अभिक्रिया उत्पन्न करने के लिये डाला या मिलाया जाता है। उस पदार्थ को भी अभिकर्मक कहेंगे जिसे यह जांचने के लिये मिलाया जाता है कि कोई अभिक्रिया होती है या नहीं। इस तरह के कुछ वैश्लेषिक अभिकर्मक हैं - फेहलिंग का अभिकर्मक (Fehling's reagent), मिलॉन का अभिकर्मक (Millon's reagent) तथा टॉलीन का अभिकर्मक (Tollens' reagent)।

6 0
3 years ago
You and your friend live in different states and plant identical hydrangea bulbs in your garden. When they bloom, you send each
vladimir1956 [14]

Answer:

The acid in the soil

Explanation:

The more acid the bluer in terms of hydrangea flowers if there was a balance between the two it will be half and half of the two colors.

3 0
3 years ago
Read 2 more answers
An atom that normally has __________ electrons in its outer (valence) shell tends not to form chemical bonds with other atoms.
goblinko [34]
8 valence shell electrons.
5 0
3 years ago
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