Chemistry Topic Questions
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We found 297 questions associated with the 'Chemistry' topic. Displaying results 181 - 190.
Accuracy and Precision state?
What's the state of (Accuracy and Precision) for the following set of data? 214 215 216
Posted 3+ months ago | 0 answers | 
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What are combinations that will not react to give a product in a single replacement reaction?
Using the activity series, I need an example of a combination that will not react to give a product in a single replacement reaction. I understand ...
Posted 3+ months ago | 0 answers | | Open
Related topics: replacement, chemistry
Can someone help me with my chemistry homework?
Methane (CH4) burns in air (reacts with 02) to form carbon dioxide (CO2) and water vapor (H20). If 2.0 moles of CH4 was mixed with 3.0 moles of O2 in ...
Posted 3+ months ago | 0 answers | | Open
Related topics: air, water, mixed, form, chemistry, burn, homework, carbon, mole
Al+(Cr2O7)2- = Al3+ + Cr3+?
Al+(Cr2O7)2- = Al3+ + Cr3+ [al3+]=0.01M [(cr2o7)2-]= 0.1M [cr3+]=0.001M find the E cell if we add Naoh to each electrode until al(oh)3 precipitates ...
Posted 3+ months ago | 0 answers | | Open
Related topics: chemistry
Use enthalpies of formation to determine the ΔHreaction for the reaction MgCl2(s) MgCl2(aq)?
chemistry
Posted 3+ months ago | 0 answers | | Open
Can Carbyne be made by people? If yes, how is it made? If no, how does it occur naturally?
Posted 3+ months ago | 0 answers | | Open
Related topics: chemistry
Why is hybridisation required in acetylene?
For example in CH4 all bond are equal, hence it makes sense to do a sp3 hybridization. But in acetylene, none of the bonds are equal(in whatever ...
Posted 3+ months ago | 0 answers | | Open
Related topics: chemistry
Why would it be impossible to mix lead nitrate solution with silver chloride solution?
Posted 3+ months ago | 1 answers | | Open
Related topics: lead, mix, silver, solution, impossible, science, chemistry
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