10/18/17

Divide. Express your answer in scientific notation 8.8x10 to the negative 8th power over 4x10 to the negative 6th power
8.8x10-8 4x10-6   Divide. Express your answer in scientific notation.
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10/18/17

For each kilogram of a person weight ,20 miligram of drug is to be given. What dosage should be given to an adult weights 170 pounds ?
If the drug comes in a table form ,each tablet is 500 mg.how many tables should be given 
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10/18/17

The functioning of human kidney efficiently monitored and regulated by hormonal action of hypothalamus pituitary JGA and to certain extent by heart
Give reason for my question
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10/18/17

The neutron is the subatomic particle that identifies the unique identity of an element.
true or false about my question    
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10/18/17

A jar of honey has a density of 14 kg per m^3. What is it's density in g/mm^3
I need help setting up the equation.
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10/18/17

Determine the number of atoms in 1.75 mol Al
Help me please :)
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10/18/17

Determine the number of atoms in 1.75 mol Al
I want answerrrrrrr.
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10/18/17

what type of metal reduce in human plasm? Option are 1. Iron, 2. Calcium, 3. copper
I am very urgently need your answer, plz help me.  
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10/17/17

During glycolysis,a cell breaks down a glucose molecule to two purification acid molecules. What is the NET yield of the ATP molecules?
During glycolysis,a cell breaks down a glucose molecule to two purification acid molecules. What is the NET yield of the ATP molecules?
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10/17/17

what is the role of the electron transport chain in light reactions?
can't find the answer anywhere in my textbook
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10/17/17

What is the value of K for this aqueous reaction at 298 K?
A + B <-----> C + D   Delta G = 26.81 kJ/mol
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10/17/17

A solution of NaOH which is approximately 0.1 M will be provided. You must standardize this solution using a solution of KHP that you will prepare. Plan to pre
A solution of NaOH which is approximately 0.1 M will be provided. You must standardize this solution using a solution of KHP that you will prepare. Plan to prepare only 100 mL of KHP since you... more
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10/17/17

A container holds 80000 ounces of water.There is a small leak in the container.Every 96 minutes,1.9 ounces of water leak out.How much would have leaked in 4hou
Dont understand how to do it
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10/17/17

Scientific explanations must prove that a hypothesis is true
A scientific questions  
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10/17/17

Chemistry Paper Chromatography
A chemist wishes to separate and identify a mixture of substances using paper chromatography. The diagram shows the apparatus used. The solvent is water.The solvent front is allowed to reach the... more
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10/17/17

Calculating heat produced
When 50.0 g of 0.200 M NaCl(aq) at 24.1 °C is added to 100.0 g of 0.100 M AgNO3(aq) at 24.1 °C in a calorimeter, the temperature increases to 25.2 °C as AgCl(s) forms. Assuming the specific heat of... more
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10/17/17

lita spent 7,386.35 to make 18 dresses. She sold each dress for 850.00. How much did she profit after sellling all the dresses?
 i need this asap
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10/17/17

According to this reaction, how many moles of sugar will it be required to produce 2.71 g of water?
  In our bodies, sugar (C6H12O6) reacts with oxygen (O2) we breathe in to produce carbon dioxide (CO2), water (H2O) and energy   6CO2 + 6H2O —> C6H12O6 + 6O2
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10/16/17

Active ion channels
I'm wondering about active versus passive ion channels. I know that gated ion channels are considered active, but why? Since ions still flow with their concentration gradient and not against it.... more
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10/16/17

cracking of alkanes
what are the conditions for steam cracking and catalytic cracking?
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10/16/17

A solution of store bought vinegar will be provided. According to the label, vinegar is ~5% acetic acid by mass. You must first convert this concentration to M
Help please!
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10/16/17

A solution of store bought vinegar will be provided. According to the label, vinegar is ~5% acetic acid by mass. You must first convert this concentration to M
Help please!
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10/16/17

What is exothermic
Can I please get a answer thank you this is done tommorow at 10 in the morning thank you for your answer 
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10/16/17

can a (2000cm cubed) dish contain a 2,5 litres of bread mixtures
if a dish is 2000cm cubed and a baker uses a 2,5 litres of bread mixture, to bake in it,  will it contain 
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10/16/17

What is the smallest possible part of an element that still has all the properties of that element
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