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Roman55 [17]
3 years ago
12

What is a observation ?

Chemistry
1 answer:
SOVA2 [1]3 years ago
6 0
An active skill of information from a primary source
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What is water (H2O)? Select all that apply * an element a molecule 1 hydrogen and 2 oxygen 2 hydrogen and 1 oxygen
Novay_Z [31]

Answer:

2 hydrogen and 1 oxygen

Explanation:

H2O

Hydrogen has the coefficient so you multiply 1 by 2 and it equals 2

Oxygen does not have any sub or coe so its automatically 1

5 0
3 years ago
Peyote has effects similar to those of __________, but with different types of hallucinations.
prisoha [69]

Peyote has similar effects with that of LSD but with different hallucinations.

LSD is a hallucinogen that is chemically synthesized. It is developed from ergot which is a kind of mold that can be found on the rye grain. Getting high on acid (LSD) or also known as acid trip or psychedelic experience creates visual and sensory distortions, a change in thought processing, intense emotions like that of euphoria and on some people a derivation of surprising new insights.

Mescaline or peyote is a naturally occurring psychedelic substance that is found in a specific cactus species known as peyote cactus. In terms of hallucination, the user sees or hears things that are not there and have no actual basis in reality. Hallucinations that occurs during mescaline intoxication are often unreal that can cause distress and confusion.

6 0
3 years ago
6. How much energy is needed to freeze 88.0 g of silver?
Stella [2.4K]
7,040 energy to freeze the silver :)
8 0
3 years ago
gypsum is insoluble in water. you are asked to purify a sample of gypsum that is contaminated with a soluble salt.
katen-ka-za [31]

Answer:

a. The apparatus required to purify gypsum sample are: Bunsen burner, beaker, Filter Funnel, stirring rod, the filter paper.

b. Gypsum is a sulfate mineral that is made up of calcium sulfate dihydrate. Step-by-step instruction to purify gypsum sample is as follows:

1. Add water to the gypsum sample in a beaker.

2. Use the stirring rod to mix the mixture well.

3. Filter off the excess solid from the mixture using the filter paper and filter funnel.

4. Put the filtered mixture over the bunsen burner and evaporate the excess water from the mixture.

5. Allow the hot liquid to cool down and filter it again through the filter paper to get the pure gypsum.

7 0
3 years ago
Solid potassium hydroxide koh decomposes into gaseous water and solid potassium oxide . write a balanced chemical equation for t
galina1969 [7]
<span>The chemical formula is pretty straightforward. 2KOH reacts to produce H2O and K2O. This is the balanced chemical reaction between: Solid potassium hydroxide koh decomposing into gaseous water and solid potassium.</span>
4 0
3 years ago
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