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marin [14]
3 years ago
13

If 6.89 g of CuNO3 is dissolved in water to make a 0.460 M solution, what is the volume of the solution?

Chemistry
1 answer:
Readme [11.4K]3 years ago
6 0
3.67  grams is the volume of the solution
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What is the electron configuration of beryllium?
Vlad1618 [11]
Here is your answer:

The amount of electrons that the element Beryllium has is: 4

Reason:

Beryllium atomic number is 4

Therefore the amount of protons and electrons Beryllium has is 4

Your answer is 5.

Hope this helps.
8 0
3 years ago
Name the source of lactose and name the type of enzyme that is required to digest it
skelet666 [1.2K]

Answer:

Lactose is found in animal milk is lactase is the enzyme that is required to digest it.

Explanation:

Lactose is a disaccharide made of glucose and galactose units. This sugar is naturally present in animal milk and it is digested (broken in its units) by the lactase enzyme.

Some people are lactose intolerant because their bodies is not able to produce the enzyme. If they ingest dairy products it may cause health issues. Nowadays it is possible to purchase the lactase enzyme and ingest it with a dairy food to avoid any health effects.

3 0
3 years ago
1. Which of the following correctly represents a balance chemical equation? (a) NaCl + 2H2O → 2NaOH + 2Cl2 + H2 (b) 2NaCl+H2O →
butalik [34]

Answer:

thx sa points

Explanation:

8 0
2 years ago
Which of the following molecules can form hydrogen bonds? Group of answer choices NH3 NaH HI BH3 CH4
Len [333]

Answer:

NH₃

Explanation:

The hydrogen bond is a specially strong type of dipole-dipole interaction. For a hydrogen bond to occur, a molecule must have a hydrogen atom and a very electronegative atom, such as nitrogen, oxygen or fluorine. The hydrogen atom has a positive charge density while the heteroatom has a negative charge density.

<em>Which of the following molecules can form hydrogen bonds? </em>

NH₃ YES

NaH NO

HI NO

BH₃ NO

CH₄ NO

8 0
3 years ago
_______ is the amount of heat necessary to raise the temperature of 1 gram of a substance by 1 degree Kelvin. A. A calorie B. En
Maksim231197 [3]
<h2>The required option d) "specific heat" is correct.</h2>

Explanation:

  • To raise the temperature of any substance or material of certain mass to respective temperature it requires some amount of heat.
  • Specific heat is the amount of heat necessary to raise the temperature of the substance of 1 gram to 1 Kelvin.
  • It is the amount of heat which is required to raise the temperature per unit mass to per unit temperature.
  • Thus, the required "option d) specific heat" is correct.
5 0
2 years ago
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