Recent activity by VivienStamba

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Given the following unbalanced chemical equation: Fe + HCl → FeCl3 + H2, what is the balanced equation for the reaction and how many moles of hydrogen gas will be formed when 0.25 moles of Fe react with an excess of HCl?

asked 23 hours ago in Chemical reactions

1 answer 40 views

Calculate the entropy change (∆S) for the reaction between 2.0 moles of hydrogen gas (H2) and 1.0 mole of oxygen gas (O2) at constant pressure and a temperature of 298 K, given the standard molar entropy values for H2 and O2 to be 130.7 J/K•mol and 205.0 J/K•mol, respectively.

answered Jan 23 in ThermoChemistry

1 answer 5 views

According to the trichromatic theory, how many types of color receptors are there in the retina?

answered Jan 17 in Psychology

1 answer 15 views

Who might be impacted by incorrect interpretations or conclusions based on correlational data?

answered Jan 17 in Psychology

1 answer 24 views

What is the 'acquisition metaphor' in discursive psychology?

asked Jan 15 in Psychology

1 answer 25 views

What is the difference between avoidance and approach coping strategies?

answered Jan 14 in Psychology

1 answer 54 views

Which enzyme is used in step three of the polymerase chain reaction because of it's ability to withstand high temperatures?

asked Jan 8 in Science

1 answer 62 views

Scientists search for answers to questions and solutions to problems by using a procedure called this?

asked Dec 31, 2024 in Science

1 answer 27 views

Pauropods, presumed relatives of millipedes usually found in soil, leaf litter and other moist places, live on all continents except what?

asked Dec 31, 2024 in Science

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