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Mademuasel [1]
3 years ago
8

The transfer of energy from place to place or particle by direct contact is what

Chemistry
1 answer:
STALIN [3.7K]3 years ago
5 0
the transfer of energy from place to place or particle by direct contact is called conduction
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Do you think people could breed goats to produce spider silk proteins?
Aleksandr-060686 [28]

Answer:

Goats that produce spider silk protein in their milk could enable researchers to collect large quantities of the silk.

Explanation:YES

4 0
3 years ago
I need some help
vovikov84 [41]

Answer:

0.0178

Explanation:

because you can work out the amount of moles in KOH using moles = mass/mr.

The mr of the KOH is 39.1+16+1=56.1 so you do

\frac{3}{56.1}

which equals to 0.053475 so u 3SF which is 0.0535moles

than u uses the molar ratio which is 3 to 1

so 0.0535÷3=0.0178 which is the moles of FeCl3.

hope this make sense:)

6 0
3 years ago
When a candle burns what form of energy does the chemical energy in the candle change
soldier1979 [14.2K]
The energy transforms from chemical energy to heat and light energy. Because when the candle burns a chemical reaction occurs, and produces heat and light.
8 0
4 years ago
Setting up a one-step unit conversion A student sets up the following equation to convert a measurement. (The ? stands for a num
Aneli [31]

Answer:

0.0008 m

Explanation:

We are given that 0.080 cm

We have to convert 0.080 cm into meter

To find the value of 0.080 cm in meter we are using unitary method

We know that

100 cm =1 m

1 cm =\frac{1}{100} m

Therefore, 0.080 cm =\frac{1}{100}\times 0.080 m

0.080 cm =\frac{1}{100}\times \frac{80}{1000}m

0.080 cm =\frac{8}{10000}m

0.08cm=0.0008 m

Hence, the value of 0.080 cm is equal to 0.0008 meter .

7 0
3 years ago
Help please thank you so much ❤️
mart [117]

Answer:

a)0.326

because pb's atomic mass is 207

mol = mass ÷ atomic mass

mol = 67.5 ÷ 207

mol = 0.326...

6 0
3 years ago
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