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Liono4ka [1.6K]
3 years ago
15

What is Ky for CH3NH2(aq) + H20(1) = CH3NH3(aq) + OH(aq)?

Chemistry
1 answer:
zalisa [80]3 years ago
6 0
I do not have any clue
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A gas sample of 5 moles, has a volume of 95 L. How many moles of the same gas should I add to obtain a volume of 133 L at the sa
tigry1 [53]
97 mols I think approximately
4 0
2 years ago
Someone please help me before 1:00
DiKsa [7]

independent variable: how much bread there is

dependant variable: temperature, location, time, size.

hypothesis, the one with the bread will be way more moist than the one without.

control group: no bread at all.

experimental group: brownies with bread

constants: same tupperware, placement, time, size.

7 0
3 years ago
calculate density of a rectangular solid, which has a mass of 25.71 g. It is 2.30 cm long, 4.01 cm wide and 1.82 cm high.
Levart [38]
Density is a property of the substances that is obtained by dividing its mass by the volume. For a rectangular solid, the volume may be solved by the following equation,
 
                                          V = L x W x H

Substituting the given values for the dimension,
 
                  V = (2.30 cm) x (4.01 cm) x (1.82 cm) = 16.78786 cm³

Calculating for the density,
 
                                Density = mass / volume
 
                Density = 25.71 cm / <span>16.78786 cm³ = 1.53 grams per cm</span>³

Thus, the density of the given solid is approximately 1.53 grams per cm³.




5 0
3 years ago
MgBr2 + NaCl -&gt; MgCl2 + NaBr is the reaction between magnesium bromide and sodium chloride. What type of reaction is this?
valkas [14]

Answer:

Synthesis

Explanation:

I just did the test and got it right!!

4 0
3 years ago
Read 2 more answers
A 28-kg child can consume a maximum of 23 children's acetaminophen tablets in an 8-h period without exceeding the safety-limit m
Nesterboy [21]

Answer:

(b)90mg/lb

Explanation:

The child can consume a maximum of 23 tablets with 80mg of acetaminophen, the total acetaminophen ingest is:

23*80=1840mg

This value is for 8 hours, 8 hours is 1/3 of one day. This means that the dose that can be consumed in 24 hours is 3 times 1840mg.

1840*3=5520mg

To obtain the maximum allowable dose in mg per pound of body weight, divide this last value by the weight of the child in pounds.

Conversion of units: 28Kg(\frac{2.20lb}{1Kg} )=61.6lb

\frac{5520}{61.6} =89.61\approx90mg/lb

6 0
3 years ago
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