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kolezko [41]
3 years ago
13

MORE HELP ANOTHER 20 POINTS AND BRAINLIEST

Chemistry
1 answer:
weqwewe [10]3 years ago
7 0
2 qualitative: she measures the cupcakes and finds the difference and she estimated that she would get bigger cupcakes if she put more eggs quantitive: she sees that the cupcake with 3 eggs is 0.25 centimeters taller than the cupcake with 2 eggs and she did not get any more extra cupcake even though the cupcake with 3 eggs was taller
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A patient gets 2.1 L of fluid over 19 hours through an IV. The drop factor is 20 gtt/mL.Calculate the drip rate in drops per min
Aleks [24]
<span>The rate of infusion is 2.1L/19h or 2100mL/19h (as 1L = 100 mL).
       
To convert 19 hours to minutes we multiply as follows:
   
19 hours = (19 hours) x (60 minutes/1 hour) = 1140 minutes
       
So the rate of infusion becomes:
   
2100mL /1140 min
       
In order to converted mL to drops (gtt) we multiply the rate of infusion with the drop factor to get the drip rate:
       
(2100mL/1140min) x (20 gtt/mL) = 36.8 gtt/min</span>
8 0
3 years ago
A sample of seawater contains 1.3g of calcium ions in 3,100kg of solution. what is the calcium ion concentration of this solutio
MakcuM [25]
Unit ppm stands for parts per million. in terms of mass, ppm is equivalent to mg/kg.
since 1 kg is 10⁻⁶ mg, 1 kg is equivalent to million mg.
therefore mg/kg is also ppm.
there are 1.3 g of Ca ions in 3100 kg
if 3100 kg contains - 1.3 g of Ca
then 1 kg contains - 1.3 g / 3100 kg
then Ca ions - 0.42 x 10⁻³ g/kg
Ca ion concentration - 0.42 mg/kg 
therefore Ca ion concentration is 0.42 ppm
8 0
3 years ago
A book on a table presses downward with a force equal to the upward force exerted by the table. This is an example of Newton's__
Lerok [7]

Answer:

a

Explanation:

3 0
3 years ago
Read 2 more answers
the valence electrons of metals jump easily to a higher energy orbital when light shines on them then they all fall emiting the
Lelechka [254]

Answer:

Lustrous

Explanation:

Metals are lustrous which gives them a property of having Shiny surfaces

7 0
2 years ago
Need immediate help!!!
Fantom [35]

Answer:

brainlest= help you

Explanation:

4 0
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