Answer:
The answer to your question is below
Explanation:
There are two kinds of mixtures
- Homogeneous is a mixture of two or more elements or compounds and its components can not be distinguished visually.
- Heterogeneous is a mixture of two or more elements or compounds and its components can be distinguished visually.
a cup of tea and sugar homogeneous
peanuts and almonds mixed together in a bowl heterogeneous
a bucket full of sand and gravel heterogeneous
food coloring dissolved in water homogeneous
Answer:
spring summer fall(autumn) winter
Explanation
spring runs from March 1 to May 31; summer runs from June 1 to August 31; fall (autumn) runs from September 1 to November 30; and. winter runs from December 1 to February 28 (February 29 in a leap year).
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Answer:
K2CrO4
Explanation:
To find the empirical formula, we need to divide each element by its atomic mass. The atomic masses of potassium, chromium and oxygen are 39.0983, 51.9961 and 15.999 respectively. We make the divisions as follows:
K = 1.04/39.0983 = 0.027
Cr = 0.70/51.9961 = 0.013
O = 0.86/15.999 = 0.054
We now divide by the smallest which is the number of moles of the Chromium
K = 0.027/0.013 = 2
Cr = 0.013/0.013 = 1
K = 0.054/0.013 = 4 approximately
The empirical formula is thus:
K2CrO4
Answer:
The hydrolysis of an amide produces a carboxylic acid and ammonia or an amine.
Explanation:
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