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nadya68 [22]
3 years ago
15

When would a measurement be both accurate and precise?

Chemistry
1 answer:
alina1380 [7]3 years ago
6 0

Answer:C) the measurement is close to the accepted value and can be reproduced.

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How many grams of Sodium metal are required to completely react with 100 g of Magnesium chloride hexahydrate in a single replace
slava [35]

Answer:

MgCl2 - 6H2O

203.3 mol

MgCl2 + 2Na = 2NaCl + Mg

22.6g

Explanation:

1. Write the formula of hydrate and find molar mass.

2. Write a balanced single replacement (don't include H2O)

3. Do the given/wanted calculation (include H2O in molar mass of given)

6 0
3 years ago
Carbohydrate metabolic enzymes bind D-glucose specifically. D-glucose has an estimated caloric value of 1 k.cal per 4 grams of c
Aleksandr [31]

Answer:

D) 0 k.cal per 4 grams

Explanation:

Genarally, glucose can be classified into two enantiomers such as d-glucose and l-glucose. The d-glucose is the most common sugar that bodies of living organisms use as source of energy. However, l-glucose is an organic compound and it is one of the aldohexose monosaccharides. It is the l-isomer of glucose and commonly refer to as a low-calorie sweetener. The l-glucose is  relatively indistinguishable in taste from d-glucose but cannot be used as a source of energy. Therefore, in the given problem:

if d-glucose has an estimated caloric value of 1 k.cal per 4 grams of carbohydrate, then the caloric value of l-glucose will be 0 k.cal per 4 grams.

3 0
3 years ago
What is an example of a physical change
andrew-mc [135]
Breaking a glass
Crushing a can
Chopping wood
Boiling water
Mixing sand and water
Melting and ice cube
6 0
4 years ago
Read 2 more answers
How many grams of chlorine gas can be produced from the decomposition of 1.46x1023 formula units of AuCl3?
icang [17]

Answer:

c

Explanation:

4 0
3 years ago
fixed amount of gas at 25.0 °C occupies a volume of 10.0 L when the pressure is 667 torr. Use Boyle's law to calculate the press
Kaylis [27]

Answer:

846.45 torr

Explanation:

According to Boyle's Law

P1V1=P2V2

(10)(667)=(7.88)(P2)

P2=846.45torr

8 0
4 years ago
Read 2 more answers
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