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Amiraneli [1.4K]
4 years ago
14

Is burning a wooden match chemical or physical change

Chemistry
2 answers:
qwelly [4]4 years ago
8 0
Chemical. burning is a chemical change
fiasKO [112]4 years ago
8 0
A burning wooden match is a physcial change.
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What type of compound is Sodium hydroxide?<br> A.acid<br> B.base<br> C.element<br> D.salt
morpeh [17]
The answer is B
b base
3 0
3 years ago
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How can scientists practice ethical lab behavior?
olga55 [171]

Answer:

C. By being honest in recording the results of their own experiments  

Explanation:

Honesty in recording results is ethical behaviour and the basis of scientific research.

A. is wrong. If you repeat the same experiment, you should always get the same result.

B. is wrong. Copying someone else's results is cheating and certainly unethical behaviour.

D. is wrong. Making up data is dishonest and unethical behaviour.

E. is wrong. Following your own instincts about safety procedures is unethical because your instincts may be wrong. following them may result in injury to yourself or to others.

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3 years ago
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What is the compound name of S3I9?
klasskru [66]
Trisulfur nonaiodide

Step-by-step explanation:
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Put them together, and the name of S₃I₉ is
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4 0
3 years ago
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The conversion factor relating feet to meters is 1ft=0.305m. Keep in mind that when using conversion factors, you want to make s
const2013 [10]

Answer: 1,762.97 ft² ≈ 1,763 ft²


Explanation:


1) Conversion factor:


1 ft = 0.305m ⇒


1 = 1 ft / 0.305m ⇒


´[1]² = [1 ft / 0.305m]² ⇒


1 = 1 ft² / (0.305m)² ⇒


1 = 1 ft² / 0.093025 m²


2) 164 m²


164 m² × 1 ft² / 0.093025 m² = 1,762.97 ft² ≈ 1,763 ft²




5 0
3 years ago
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A change in the nucleus of an atom that converts the atom from one element to another element is called
disa [49]
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5 0
4 years ago
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