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mariarad [96]
3 years ago
6

How does large change in temperature or pH affect proteins?

Chemistry
1 answer:
Law Incorporation [45]3 years ago
5 0

Answer:

(c) They come apart or lose their shape

Explanation:

Heat and temperature disrupt the attractions of the groups in the side chains that give the protein its characteristic shape.

(a) and (b) are wrong. The proteins do not lose their amino acids or their sequence.

(d) is wrong. The amino acids do not change into fatty acids.

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Express 1123 pg in nanograms.
Strike441 [17]
1.123 nano-grams is your answer, do you understand now gimme dat 5 star and brainiest

5 0
3 years ago
Sodium chloride can be produced by the reaction of sodium metal with chlorine gas. Which is the limiting reactant if 6.70 moles
Alecsey [184]

Answer:

Chlorine gas.

Explanation:

Hello!

In this case, the undergoing chemical reaction is:

2Na+Cl_2\rightarrow 2NaCl

Thus, given the moles of reacting both sodium and chlorine, we compute the moles of sodium chloride yielded by each reactant by considering the 2:2 and 1:2 mole ratios:

n_{NaCl}^{by\ Na}=6.70molNa*\frac{2molNaCl}{2molNa}=6.70molNaCl \\\\n_{NaCl}^{by\ Cl_2}=3.20molCl_2*\frac{2molNaCl}{1molCl_2}=6.40molNaCl

Thus, since chlorine yields less moles of sodium chloride, we infer it is the limiting reactant.

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3 0
3 years ago
The mean radius of the Earth is 6,371 km, and 70.8% of its surface is covered by water. What is the surface area of the Earth co
Marina CMI [18]

Answer:

147,558,601 sqkm

Explanation:

The earth is spherical in shape;

area of sphere = 4πr²

if 70.8% is covered by water then 100-70.8 will be land,

= 29.2%

area occupied by land = (29.2/100) * 4πr²

                                = 0.292*4*3.142*(6371)²

                        =147,558,601 sqkm

8 0
3 years ago
If you want to determine the actual salicylate concentration for a sample that gives a greater absorption than the highest conce
Anarel [89]

Answer: The concentration of unknown sample is 1.8 mg/ml

Explanation:

According to the dilution law,

M_1V_1=M_2V_2

where,  

M_1 = concentration of stock solution = ?

V_1 = volume of stock solution = 0.25 ml  

M_1 = concentration of diluted solution = 0.45 mg/ml

V_1 = volume of diluted solution = (0.25+0.75) ml = 1.00 ml

Putting in the values we get:

M_1\times 0.25=0.45\times 1.00

M_1=1.8mg/ml

Therefore, concentration of unknown sample is 1.8 mg/ml

3 0
3 years ago
What happens when a wave hits an object?
andrew11 [14]
C the wave is interfered with
8 0
3 years ago
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