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Dominik [7]
3 years ago
6

How do waves affect matter they are traveling through?

Chemistry
1 answer:
s344n2d4d5 [400]3 years ago
4 0
The energy of the wave does not move through anything
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State the optimum pH for sucrase activity and describe how sucrase activity changes at more acidic and more alkaline pH values.
kvv77 [185]

Answer:

Explanation:

The rather high specific activity of intracellular sucrase towards sucrose is known to be optimal at pH 6.0 and at a temperature of about 30°C. And thus, we can say that the optimum pH for sucrase activity is exactly at 6. Also, it's behaviour is said to be decreasing with increasing acidic and increasing alkallinic values.

7 0
3 years ago
Explain how the mucles and other organs are dependent on the brain
White raven [17]

Answer:

The brain's signals.

Explanation:

The brain sends signals to the muscles to contract and release. Without the brain the muscles would not be controlled and you would not be able to use them for anything that you want to.

8 0
3 years ago
1. The density of solid Cu is 8.96g/cm3 . How many atoms are present per cubic centimeter(cm3) of Cu ?
Leni [432]

Answer:

8.5 × 10²² atom / cm³, 2.125 × 10²² unit cells / cm³, 4.7 × 10⁻²³ cm³ / cell unit, 3.61 × 10⁻⁸ cm /cell

Explanation:

The density of the solid Cu = 8.96 g/cm³

a) number of atoms present

mole = mass / molar mass = (8.96 g/cm³) / 63.546 = 0.141 mol

number of atoms = mole × avogadro's constant = 0.141 × 6.02 × 10²³ = 8.5 × 10²² atom / cm³

b) a face-centered cubic unit cell contains 4 atoms

8.5 × 10²² atom / cm³ / 4 = 2.125 × 10²² unit cells / cm³

c) the volume of a unit cell of the metal = reciprocal of  2.125 × 10²² unit cells / cm³  = 1 ÷ ( 2.125 × 10²² unit cells / cm³ ) = 4.7 × 10⁻²³ cm³ / cell unit

the edge length of a cell of cu = ∛(4.7 × 10⁻²³ cm³ / cell unit) = 3.61 × 10⁻⁸ cm /cell

4 0
3 years ago
Which would be the first of the two magnetic in the mixture to be melted? A. Copper B. Iron C. Nickel D. Tin
joja [24]

Answer:

tin.

Explanation:

7 0
3 years ago
Consider an amphoteric hydroxide, M ( OH ) 2 ( s ) , where M is a generic metal. M ( OH ) 2 ( s ) − ⇀ ↽ − M 2 + ( aq ) + 2 OH −
kvv77 [185]

Answer:

1(374€×737€÷63718477284™>)2638185837+2737=12837

8 0
3 years ago
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