Chemistry Topic Questions
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We found 297 questions associated with the 'Chemistry' topic. Displaying results 61 - 70.
I read in class 9 and I want to study at IIT. So now how shall I study??
I'm better in physics mathematics and chemistry. And I want to be a mechanical engineer
Posted 3+ months ago | 0 answers | 
| Open
Related topics: study, read, chemistry, mechanical, physics, mathematics, engineer, health
Chemistry - If the temperature of 34.5 g of ethanol increases from 24.1°C to 78.3°C, how much heat
... has been absorbed by the ethanol?
Posted 3+ months ago | 0 answers | | Open
Related topics: heat, chemistry, temperature
The mass of an atom is 1.46x10^-22 grams. How many atoms would there be in 143 milligrams?
Posted 3+ months ago | 1 answers | | Open
Is blood a mechanical mixture, solution, suspension? Is steel and evaporation a form of suspension?
Thank you so much if you do answer this! It's for a chemistry test tomorrow- I couldn't study long last night, and I totally blame it on ...
Posted 3+ months ago | 1 answers | | Open
Related topics: study, steel, form, chemistry, blood, mechanical, solution, suspension, tomorrow, answer, science
A sample of salicylic acid weighing (1.598 mg) and the prescribed amounts of the other reagents are?
... used in the synthesis of aspirin. The density of acetic anhydride is 1.08 g/mL. The density of concentrated sulfuric acid is 1.85 g/mL. a.) ...
Posted 3+ months ago | 0 answers | | Open
A ball starts from rest and accelerates down a hill at a constant rate of 2 (m/s)/s for 5 seconds?
How far does it move?
Posted 3+ months ago | 2 answers | | Open
Which of the following statement about ionic bonding is FALSE? [Chemistry]?
Which of the following statement about ionic bonding is FALSE? 1. Non metals gain electrons in the formation of ionic compounds. 2. Metals form ...
Posted 3+ months ago | 1 answers | | Open
Related topics: metal, form, chemistry, false, formation, compound, ionic, electron, statement
Nitric oxide (NO) reacts with molecular oxygen 2NO(g) + O2(g) → 2NO2(g), Initially, the reactant?
... gases are separated in equal volumes of a 2.0 L container. The pressure of the NO is 1.25 atm, while the pressure of the O2 is 0.85 atm. What ...
Posted 3+ months ago | 0 answers | | Open
Related topics: container, pressure, volume, equal, oxygen, atm, chemistry
Does the amount of copper carbonate used affect the percentage of its mass loss?
so we were doing an experiment in science class today to calculate the loss in mass when copper carbonate is heated and carbon dioxide is released. ...
Posted 3+ months ago | 0 answers | | Open
Related topics: copper, science, carbon, experiment, today, percentage, chemistry
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