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topjm [15]
3 years ago
8

Why is the atomic mass for Calcium a decimal?

Chemistry
1 answer:
ratelena [41]3 years ago
3 0

Answer: It shows how much atomic mass of calcium weights by its self. You round it so it says 40.08 it would just be 40.

Explanation:

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How many moles of glucose (C6H12O6) are in 1.5 liters of a 4.5 M C6H12O6 solution
Natalija [7]
M=n/V , 4.5=n/1.5 , (45/10). (15/10)=n , (9/2).(3/2)=n=27/4 , n=6,75
3 0
4 years ago
In this Punnett square, what is the probability of the offspring being a heterozygous purple flower
olya-2409 [2.1K]
Heterozygous means A capital P with a lowercase p. There are two purple flowers in the Punnett square with Pp out of 4 possible options. 2/4 is 1/2 which is 50%. So there is a 50% chance of a purple heterozygous flower.
8 0
3 years ago
A team of engineers is doing a cost-benefit analysis to determine whether
beks73 [17]

Answer:

1) The risk of high cost due to increased resource requirements

2) The risk of late entry into the (a changed) market

Explanation:

The analysis being performed by the engineers = A cost benefit analysis to determine if a new technology should be developed

A cost-benefit analysis is a process of appraising or measuring the advantages, benefits of a policy, action or decision, so as to find the (equilibrium) balance point between the costs of the decision or action

The risk to be considered are;

1) The risk of high cost due to increased resource requirements

The increased cost required for the development of the new technology now which due to the unlikely existence of a similar invention in the market that will give them an advantage of increased profits

2) The risk of late entry into the (a changed) market

The changes in the consumer preferences, market landscape, and the likely introduction into the market of a similar invention by the competition in the near future which will reduce the amount of profits that can be gained from the invention

3 0
3 years ago
Why do we observe national day​
WITCHER [35]

A national day is a day on which celebrations mark the nationhood of a nation or state. It may be the date of independence, of becoming a republic, or a significant date for a patron saint or a ruler (such as a birthday, accession, or removal). The national day is often a public holiday.

5 0
3 years ago
A plant fertilizer contains 15% by mass nitrogen (N). In a container of soluble plant food, there are 14.1 oz of fertilizer. How
masya89 [10]
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5 0
3 years ago
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