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Ainat [17]
3 years ago
7

Fill in the blanks to describe the work of Ben Kennedy, a volcanologist who works in New Zealand. To learn more about why his pu

mice sample was shrinking, Ben Kennedy studied . This material is similar to pumice because both are full of air . Kennedy found that the shrinking had to do with molten rock’s surface , which is the force that holds a droplet of water together.
Chemistry
2 answers:
tekilochka [14]3 years ago
5 0

Answer:

1)- foam

2)- bubbles

3)- tension

Explanation:

Sveta_85 [38]3 years ago
5 0

Answer:

1. Foam

2. Bubbles

3. Tension

Explanation:

Right on Edge

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A sample of gas occupies 6 ml at stp. at what pressure would this sample occupy 500 ml if the temperature is changed to 525◦c? a
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From  the  combined  gas  law
that  is P1V1/T1=P2V2/T2
P2  is  therefore T2P1V1/TIV2
A  gas  at  STP has   a temperature of  273k and  a  pressure of  760torr
 P1=760torr
T1=273K
V1=6ml
P2=?
T2=525+273=798K
V2=500ml

P2 ={(798k  x760 torr x 6ml) /(273k x500ml)} = 26.7 torr
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If the half-life of a radioisotope is 250 years how much of a 96.0 gram sample will remain after 750 years
telo118 [61]

Answer:

12 grams

Explanation:

96g=0 years

48g=250 years

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Explanation:

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3 years ago
What ion do acids release in solution? hydrogen hydroxide carbonate ammonium
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8 0
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Consider the elemts Ca,Ba,As, and Bi. Which has the...
fiasKO [112]
Symbol      Element    Atomic Radius    Electronegativity     Ionization Energy
Ca          Calcium        194 pm                1                          57110 kJ/mol
Ba          Barium          253 pm                0.89                    3.6 x 10³ kJ/mol
As          Arsenic         114 pm                2.18                    12310 kJ/mol
Bi          Bismuth          143 pm               2.02                    8520 kJ/mol

Based on the above information.
The element with the largest radius is Ba.
The element with the highest electronegativity is As
The element with the hightest Ionization energy is Ca.
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3 years ago
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