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Greeley [361]
3 years ago
7

How does an embryo develop from a fertilized egg?]

Chemistry
1 answer:
faltersainse [42]3 years ago
6 0

Answer: Hope this helps

<h3>Explanation: <u><em>The fertilized egg zygote divides repeatedly as it moves down the fallopian tube to the uterus. First, the zygote becomes a solid ball of cells. ... Inside the uterus, the blastocyst implants in the wall of the uterus, where it develops into an embryo attached to a placenta and surrounded by fluid-filled membranes.</em></u></h3><h3><u><em /></u></h3>
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Which one is the answer?
nadya68 [22]
I would go with C because that seems like the best answer choice
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3 years ago
Hii!! need help with this last answer for chem. would appreciate the help. (question 3)
avanturin [10]

Answer:

1.023 J / g°C

Explanation:

Mass, m = 37.9 g

Temperature increase (change) = 25.0°C

Heat = 969 J

Specific heat capacity ,  c= ?

The relationship between these quantities is given by the equation;

H = mcΔT

c = H / mΔT

c = 969 / (37.9 * 25)

c = 969 / 947.5 = 1.023 J / g°C

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If calcium carbonate (CaCO3) decomposes, what would the product of the reaction be?
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8 0
3 years ago
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What is the total number of valence electrons in an atom of germanium in the ground state?
Shalnov [3]
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3 0
3 years ago
An unknown gas Q requires 2.67 times as long to effuse under the same conditions as the same amount of nitrogen gas. What is the
Misha Larkins [42]

Answer:

The correct answer is 199.66 grams per mole.

Explanation:

Based on law of effusion given by Graham, a gas rate of effusion is contrariwise proportionate to the square root of molecular mass, that is, rate of effusion of gas is inversely proportional to the square root of mass. Therefore,  

R1/R2 = √ M2/√ M1

Here rate is the rate of effusion of the gas expressed in terms of number of mole per uni time or volume, and M is the molecular mass of the gas.  

Rate Q/Rate N2 = √M of N2/ √M of Q

The molecular mass of N2 or nitrogen gas is 28 grams per mole and M of Q is molecular mass of Q and based on the question Q needs 2.67 times more to effuse in comparison to nitrogen gas, therefore, rate of Q = rate of N2/2.67

Now putting the values we get,  

rate of N2/2.67/rate of N2 = √28/ √M of Q

√M of Q = √ 28 × 2.67

M of Q = (√ 28 × 2.67)²

M of Q = 199.66 grams per mole

3 0
3 years ago
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