Questions by LazaroShin50

0 votes

1 answer 72 views

How would you determine the concentration of chloride ions in a sample of seawater using an ion-selective electrode?

asked 6 days ago in Analytical Chemistry

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1 answer 51 views

A student has a sample of an unknown inorganic compound that contains only carbon, oxygen, and nitrogen. They perform a combustion analysis on a 0.230 g sample of the compound, which yields 0.535 g of CO2 and 0.184 g of H2O. Additionally, when the compound is analyzed using a mass spectrometer, the mass spectrum shows a molecular ion peak at m/z = 42. Determine the empirical and molecular formulas of this compound.

asked Jan 22 in Inorganic Chemistry

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1 answer 26 views

According to the biological approach, how do genes influence mental health?

asked Jan 20 in Psychology

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1 answer 27 views

When do cognitive abilities start to decline?

asked Jan 17 in Psychology

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1 answer 41 views

According to the Social Comparison theory, how does social comparison affect mental health?

asked Jan 16 in Psychology

0 votes

1 answer 27 views

What warms the base of the mantle creating convection currents there?

asked Jan 8 in Science

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1 answer 17 views

What do ions of the same charge do?

asked Jan 6 in Science

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1 answer 27 views

The eardrum is part of what part of the ear?

asked Jan 2 in Science

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1 answer 10 views

Like a thick cap covering the brain, the dura mater is a tough outer covering. the name comes from the latin for?

asked Dec 31, 2024 in Science

0 votes

1 answer 39 views

Are humans a new or old species on the earth?

asked Dec 30, 2024 in Science

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