An experimenter is studying the effects of temperture, pressure, and type of catalyst on yield from a certain chemical reaction. Three different temperatures, four different pressures, and five different catalysts are under consideration.(a) If any particular experiental run involves the use of single temperature, pressure, and catalyst, how many experimental runs are possible?
(b) How many experimental runs are there that involve use of the lowest temperature and two lowest pressure?
Answers
Answer:
Step-by-step explanation:
Given that an experimenter is studying the effects of temperture, pressure, and type of catalyst on yield from a certain chemical reaction. Three different temperatures, four different pressures, and five different catalysts are under consideration.
a) Experimental runs possible if use of single temperature, pressure and catalyst is there = no of temperatures x no of pressures x no of catalysts
=
b) Here pressure and temperature have no choice as lowest is selected.
no of methods = no of catalysts x 1 x1
= 5
Related Questions
Please help me solve this!
At a small zoo, 30% of the animals are reptiles. If there are 135 reptiles, how many total animals are at the zoo?
What is -a ^-2 if a=-5A. -25B.25C.-1/25D.1/25
5x5x5x5= ______ to the power of _____
Answers
Answer:
For point A, it is 6/10 or 3/5 simplified, For point B, it is 7/10, for point C, it is 1 2/5, for Point D, it is 1 3/5, and for point E, it is 1 7/10
Answers
Step-by-step explanation:
18/26
27/39
36/52
45/65
An equivalent fraction for a/b is found by multiplying the numerator and denominator by a common integer (n)
Answers
Completed question:
An initial time study resulted in an average observed time of 2.2 minutes per cycle, and a standard deviation of .3 minutes per cycle. The performance rating was 1.20. What sample size, including the 20 observations in the initial study, would be necessary to have a confidence of 95.44 percent that the observed time was within 4 percent of the true value?
Answer:
47
Step-by-step explanation:
When doing a statistic study, a sample of the total amount must be taken. This sample must be done randomly, and, to be successful, the sample size (n) must be determined, by:
Where Z(α/2) is the value of the standard normal variable associated with the confidence, S is the standard deviation, and E is the precision. The confidence indicates if the study would have the same result if it would be done several times. For a confidence of 95.44, Z(α/2) = 2.
The standard deviation indicates how much of the products deviate from the ideal value, and the precision indicates how much the result can deviate from the ideal. So, if it may vary 4% of the true value (2.2), thus E = 0.04*2.2 = 0.088.
n = [(2*0.3)/0.088]²
n = 46.48
n = 47 observations.
Answers
We can think of this dilation as this: if the center of dilation is P and the factor of dilation is k = 1/2, we can draw the image triangle as:
This way, the segments P'R' and P'Q' have half the length of PR and PQ respectively.
The segment RQ passes through the origin of coordinates. As no other image segment intersects with RQ, we know that no image segment passes through the origin of coordinates.
Answer:
No segments of triangle P'Q'R' pass trhough the origin.
if you don’t know answer don’t even comment
Answers
Answer:
y = 1/4 x - 1 (y = 0.25 x - 1)
Step-by-step explanation:
x intercept: (4 , 0)
y intercept: (0 , -1)
rise: 1
run: 4
slope: rise/run = 1/4
equation: y = mx + b m=1/4 b = -1
y = 1/4 x - 1
opened.
B. The amount of money in a bank account never changes
C. The amount of water in a cup decreases as it evaporates
D. A flower slowly grows taller
Answers
Answer:B the amount of money in a bank account never changes.
Step-by-step explanation:
Answer:
B. The amount of money in a bank account never changes.
Step-by-step explanation:
Equilibrium is achieved when the state of a reversible reaction of opposing forces cancel each other out. While in a state of equilibrium, the competing influences are balanced out. Imagine a cup with a hole in it being filled with water from a tap. The level of water in this cup would stay the same if the rate at which the water that flows inside is the same as the water that flows outside. Option B will be the correct answer because the amount of money going into the account is at the same rate of money coming out of the account.