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Vaselesa [24]
3 years ago
12

Can anyone help me with Science Grade 6 questions , soon as possible?

Chemistry
1 answer:
jolli1 [7]3 years ago
6 0
Well depending on how many people on one side of the family, you would inherite  their trait more commonly.
You might be interested in
How much heat is needed to change the temperature of 5g of water from 20 oC to 37 oC?
Dafna1 [17]

Answer:

The answer to your question is Q = 355.64 J

Explanation:

Data

Heat = Q = ?

Temperature 1 = T1 = 20°C

Temperature 2 = T2 = 37°C

mass = m = 5 g

Specific heat = Cp = 4.184 J/g°C

Formula

Q = mCp(T2 - T1)

-Substitution

Q = (5)(4.184)(37 - 20)

-Simplification

Q = (5)(4.184)(17)

-Result

Q = 355.64 J

5 0
3 years ago
Read 2 more answers
What are the protons neutrons and electrons of Vanadium-52 +3 charge<br> HELP
Alex17521 [72]

Answer:

Protons: 23

Neutrons: 28

Electrons: 23

I THINK

Explanation:

4 0
3 years ago
What is the definition of specific heat? O A. The heat required to break the molecular bonds within a substance B. The total amo
snow_tiger [21]

Answer:

C

Explanation:

C .       specific heat =    J / gm-C

               

7 0
2 years ago
Find the pH of a 0.350 M aqueous benzoic acid solution. For benzoic add. Ka = 6.5 x 10^-5.
slava [35]

Answer:

correct option is (a)

The solution would be using this: C6H5COOH = H+ + C6H5COO Ka = 6.5 x 10^-5 = (H+)(C6H5COO-) over

(C6H5COOH)

Let X = moles per liter (H+) and also = moles per liter (C6H5COO-)

Ka = 6.5 x 10^-5 = (X)(X) over .350 molar = acid solution 6.5 x 10^-5 = X^2 over .350

X^2 = 6.5 x 10^-5 times .350 which = 2.275 x 10^-5

x = V2.275 x 10^-5

X = 1.5083 x 10^-5 moles per liter H+

pH = -log(H+) = -log 1.5083 x 10^-5 which

= 4.6215

7 0
3 years ago
If an element has 9 electrons, how many of them will be in the 2nd energy level?
faust18 [17]
Your answer would come out to 18 electrons 
5 0
3 years ago
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