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Virty [35]
3 years ago
9

What is required for sexual reproduction to occur? an individual that produces sperm and an individual that produces eggs an ind

ividual that produces sperm and an individual that produces spores an individual that produces buds and an individual that produces spores an individual that produces buds and an individual that produces eggs
Chemistry
2 answers:
irakobra [83]3 years ago
5 0

Answer:

It is A.

Explanation:

I hope this helps have a great day.

Andrew [12]3 years ago
3 0

Answer:

A. an individual that produces sperm and an individual that produces eggs

Explanation:

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I don’t know about 1 But number 2 is AB + xH2O = AB.xH2O
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A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 192.mg of oxalic acid H2
kap26 [50]

Answer:

The molarity of the NaOH solution is 0.076 M

Explanation:

Step 1: Data given

Mass of oxalic acid = 192 mg = 0.192 grams

volume = 250 mL = 0.250 L

Molar mass oxalic acid = 90.03 g/mol

Step 2: The balanced equation

H2C2O4 + 2NaOH → Na2C2O4 + H2O

Step 3: Calculate moles of oxalic acid

Moles oxalic acid = 0.192 grams / 90.03 g/mol

Moles oxalic acid = 0.00213 moles

Step 4: Calculate molarity of oxalic acid

Molarity = Moles / volume

Molarity = 0.00213 moles / 0.250 L

Molarity = 0.00852 M

Step 5: Calculate Molarity of NaOH

2 Ca*Va = Cb*Vb

with Ca = Molarity of oxalic acid = 0.00852 M

with Va = volume of oxalic acid = 0.250 L

with Cb = Molarity of NaOH = TO BE DETERMINED

with Vb = volume of 0.0558 L

Cb = (2*0.00852 * 0.25) / 0.0558

Cb = 0.076 M

The molarity of the NaOH solution is 0.076 M

4 0
2 years ago
Which element has 32 protons in its nucleus? <br> phosphorus <br> cobalt<br> germanium<br> sulfur
eduard
<span>Germanium is the element that has 32 protons in its nucleus.</span>
8 0
3 years ago
Read 2 more answers
Some nitrogen for use in synthesizing ammonia is heated slowly, maintaining the external pressure close to the internal pressure
swat32

Answer: The work done for the given process is -2188.7 J

Explanation:

To calculate the amount of work done for an isothermal process is given by the equation:

W=-P\Delta V=-P(V_2-V_1)

W = amount of work done = ?

P = pressure = 50.0 atm

V_1 = initial volume = 542 L

V_2 = final volume = 974 L

Putting values in above equation, we get:

W=-50.0atm\times (974-542)L=-21600L.atm

To convert this into joules, we use the conversion factor:

1L.atm=101.33J

So, -21600L.atm=-21600\times 101.33=-2188728J=-2188.7kJ

The negative sign indicates the system is doing work.

Hence, the work done for the given process is -2188.7 J

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2 years ago
What are subscripts?
Dmitry [639]

Answer:

Subscripts are small numbers right next to the letters

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