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4 years ago

Procedure meaning for science

Chemistry

1 answer:

OleMash [197]4 years ago

3 0

Answer:

A step-by-step description of how to perform an operation or process.

Explanation:

: The course of action, or the description of a course of action, taken for the solution of a problem. [ SEMATECH] 2 :

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____ the water for 20 mins kills all microbes

AleksandrR [38]

Answer:

<h2>Boiling is a very simple method of water disinfection. Heating water to a high temperature, 100°C, kills most of the pathogenic organisms, particularly viruses and bacteria causing waterborne diseases. In order for boiling to be most effective, the water must boil for at least 20 minutes. </h2>

Explanation:

8 0

3 years ago

Is a horned lizard a producer

nata0808 [166]

Answer:

Explanation:

they are insectivores, as they have a diet of primarily insects. producers are organisms that make their own energy, like plants, but horned lizards get their energy from consuming other organisms, so they are not producers

7 0

3 years ago

When 0.110 mol of aluminum are allowed to react with an excess of chlorine gas, Cl2, how many moles of aluminum chloride are pro

olganol [36]

0.11 moles of Aluminium chloride

Explanation:

Given:

2Al + 3Cl₂ → 2AlCl₃

According to the balanced equation:

2 moles pf Aluminium form 2 moles of Aluminium chloride.

So, 1 mole of Al will form 1 mole of Aluminium chloride.

0.11 mole of Al is present.

So, 0.11 mol of Al will form 0.11 mol of Aluminium chloride.

6 0

4 years ago

Balance the following equations:

Brilliant_brown [7]

Answer:

1) 0 C2H4O2 + 0 O2 -> 0 CO2 + 0 H2O (balanced)

2) V2O5 + CaS -> CaO + V2S5

just additional info: V2O5 is divanadium pentaoxide

LHS (Left hand side)

V: 2

O: 5

Ca: 1

S: 1 x 5 [to balance with the right hand side of the equation]

RHS (Right hand side)

V: 2

O: 1 x 5 [to balance with the left hand side of the equation]

Ca: 1

S: 5

When you balance any elements, you have to balance the whole chemical compound.

Thus,

V2O5 + 5 CaS -> 5 CaO + V2S5

LHS CHECK:

V: 2

O: 5

Ca: 5

S: 5

RHS CHECK:

V: 2

O: 5

Ca: 5

S: 5

3) S8 + O2 -> SO2

LHS:

S: 8

O: 2

RHS:

S: 1 x 8 [to balance with LHS]

O: 2

When you balance any elements, you have to balance the whole chemical compound.

S8 + O2 -> 8 SO2

When we add 8 to the RHS, it gives us 8S, 16 O.

In order to balance that into the RHS, I need to multiply the O2 by 8, which will give 8(O2) = 16 O particles.

Therefore, S8 + 8 O2 -> 8 SO2 is the final answer for (3).

6 0

3 years ago

What is the density of a 32g toy car that has a volume of 8cm3? A. 256alcm3 An3

Greeley [361]

Answer:

density=mass/volume

density=32/8

density=4

8 0

3 years ago