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Baldeep N

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Numerade tutor for 5 years
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Baldeep's Quick Ask Videos

05:47
Chemistry 101

The EPA has set a limit for uranium in drinking water at
30 micrograms per Liter. This corresponds to a mass
concentration of 30 ppb. What is the tolerable limit of
uranium (in grams) associated with 2.50 kg of water.
04:43
Chemistry 101

Consider the water-gas shift reaction:
H2O(g) + CO(g) ---> H2(g) + CO2(g)
A closed reaction vessel maintained at 300°C is filled with 0.495 M H2 and 0.420 M CO2. At equilibrium, their respective concentrations are 0.433 M and 0.358 M.

Q1)
The following ratio represents:
[H2][CO2]/[H2O][CO]
Choose one or more:
the law of mass action.
the mass action expression.
the equilibrium constant expression.
the equilibrium constant.
none of these.

Q2)
The value of 40 represents:
Choose one or more:
the law of mass action.
the mass action expression.
the equilibrium constant expression.
the equilibrium constant.
none of these.
06:30
Physics 101 Mechanics

1) If the length density of the string were doubled while keeping tension the same, how would the frequency change? (5 points)2) Write a general statement that describes how the frequency of vibration of a standing wave relates to the number of segments of the standing wave. (10 points)
02:02
Biology

Which of the following statements about membrane transport in
the intestinal epithelial cell is CORRECT? a) The transport of
glucose at the basolateral plasma membrane occurs by facilitated
diffusion (passive transport). b)If ATP levels are eliminated in
intestinal epithelial cells, this will not affect the transport of
glucose, either in the short or longer term. c) The transport of
glucose at the apical plasma membrane is a form of facilitated
diffusion (passive transport). d) The transport of glucose at the
apical plasma membrane is considered a form of primary active
transport. e) The transport of Na+ at the basolateral plasma
membrane is a form of facilitated diffusion.
The negative membrane potential of cells at rest (which of the
following is correct)
a) is generated in large part by a certain type of K+ channel
that supports passive diffusion of K+.
b)is not required in neurons for action potentials in the axon
since this only requires Na+ and K+ channels.
c) does not impact the membrane transport of glucose in
intestinal epithelial cell.
d) does not require ATP to establish and sustain.
e) is established entirely (only) by the Na+/K+ ATPase since it
transports 3 Na+ out of the cell and 2 K+ into the cell for every
cycle (ATP consumed).
05:47
Biology

Mendel found that one of his favorite plants was heterozygous for pod color. G represents the dominant yellow color, and g represents the recessive green color.
What is the plant's genotype for pod color?
Group of answer choices
gg
Gg
GG
green
yellow
greenish-yellow
05:48
Physics 101 Mechanics

A uniform 1.7-kg rod that is 0.59 m long is
suspended at rest from the ceiling by two springs, one at each end.
Both springs hang straight down from the ceiling. The springs have
identical lengths when they are unstretched. Their spring constants
are 30 N/m and 61 N/m. Find the angle that the
rod makes with the horizontal.
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