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labwork [276]
2 years ago
11

Are some chemicals safe while others are dangerous?

Chemistry
1 answer:
avanturin [10]2 years ago
4 0

Answer:

yes

Explanation:

some chemicals can kill you with just one drop.

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What were punnett squares developed to do
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The cavity within a copper [β = 51 × 10-6 (C°)-1] sphere has a volume of 1.220 × 10-3 m3. Into this cavity is placed 1.100 × 10-
juin [17]

Answer:

Δ should be 0.1009

Explanation:

The change in the units volume when temperature change can be expressed as:

∆v = v0Δ

with v0 = the initial volume

with = the volumetric temperature expansion coefficient

with Δ  = the change of temperature.

To calculate the final volume vf we'll get:

v = v0 + ∆ = v0(1 + Δ)

The liquid just begins to spill out if v(benzene) = :

v()(1 + Δ) = = v() (1 + Δ)

(v(cavity)-v(benzene))/(((benzene) -(copper)) = Δ

((1.22*10^-3)-(1.1*10^-3))/((1240*10^-6)-(51*10^-6)) = Δ

Δ = 0.1009

Δ should be 0.1009

5 0
3 years ago
Which example best shows conservation of resources?
pashok25 [27]

Answer:

recycling aluminum cans and glass bottles

Explanation:

reusing is a good example of conservation of resources.

4 0
3 years ago
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