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adell [148]
3 years ago
11

In a particular breed of cattle a black coat is dominant over a red coat if a cow with the red coat is crossed with the black ba

ll that is heterozygous for a cut color what percentage of their offspring would you expect to be black??
A.25%
B.50%
C.75%
Or D.100%
Chemistry
1 answer:
Furkat [3]3 years ago
4 0
It's D because a dominant Gene will take over a recessive
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Which of the following is an example of a decomposition reaction?
Flura [38]

Answer:

A simple example of decomposition reaction is hydrolysis of water where a water molecule is broken down into hydrogen and oxygen gas.

8 0
2 years ago
Will a double replacement reaction occur if a potassium hydroxide solution is mixed with a lead(II) nitrate solution? Briefly ex
ohaa [14]
No - a precipitation will occur though. Potassium nitrate is soluble in water, so the potassium and nitrate ions will remain spectator ions and stay in solution. Lead (II) hydroxide is not soluble, and will precipitate out of solution to form a solid product.
3 0
3 years ago
Read 2 more answers
What is the current in the 30 ohm heating coil of a coffee maker that operates on a 120 volt circuit?
SpyIntel [72]

Answer:

4Amps. i can't see other questions clearly

Explanation:

using  ohms law  \\ v = ir

  • V=120 volt
  • R=30ohms
  • I=?

I=V/R

I=120/30

I=4amps

8 0
3 years ago
Please help
Molodets [167]

Answer:

A strip of magnesium metal is ignited using a lighter wand. The result is

an intensely glowing white light. As the burning of the metal subsides, a

white powder-like substance now appears replacing the smooth ribbon of

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8 0
3 years ago
C. If 62.9 g of lead (II) chloride is produced, how many grams of lead (II) nitrate were
melomori [17]

Answer:

Mass = 76.176 g

Explanation:

Given data:

Mass of lead(II) chloride produced = 62.9 g

Mass of lead(II) nitrate used = ?

Solution:

Chemical equation:

Pb(NO₃)₂  +  2HCl     →     PbCl₂ + 2HNO₃

Number of moles of lead(II) chloride:

Number of moles = mass/molar mass

Number  of moles = 62.9 g/ 278.1 g/mol

Number of moles = 0.23 mol

Now we will compare the moles of lead(II) chloride with Pb(NO₃)₂ from balance chemical equation:

                            PbCl₂        :          Pb(NO₃)₂

                               1             :             1

                             0.23         :            0.23

Mass of Pb(NO₃)₂:

Mass = number of moles ×  molar mass

Mass = 0.23 mol × 331.2 g/mol

Mass = 76.176 g

8 0
3 years ago
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