Answers by LewisBrownel

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A chemistry student wants to determine the enthalpy change of a chemical reaction. They have 25 g of sodium hydroxide and want to mix it with 50 mL of 1.0 M hydrochloric acid. What is the maximum temperature change they can expect to see, assuming constant pressure and perfect heat transfer, and what is the enthalpy change of the reaction?

answered Jan 22 in Physical Chemistry

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According to the attachment theory, what is the role of the primary caregiver in a child's attachment style?

answered Jan 20 in Psychology

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According to Jean Piaget's cognitive development theory, how do children learn about the world?

answered Jan 17 in Psychology

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Where does the stratosphere get most of its heat?

answered Jan 8 in Science

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What type of motor is used in most household devices with moving parts?

answered Jan 8 in Science

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What properties describe the existence of matter, as opposed to chemical properties that describe how substances change into other substances?

answered Jan 7 in Science

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What process does water undergo to leave behind dissolved substances?

answered Jan 7 in Science

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What is the vector sum of all the torques acting on the object called?

answered Jan 7 in Science

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The mass of the objects and the distance between them affect the strength of what universal force?

answered Jan 2 in Science

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25 views

Shivering and adipose tissue called brown fat are used by mammals in particular to produce what?

answered Dec 31, 2024 in Science

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Radiation can be absorbed or shielded by materials, particularly what material used to make protective aprons worn by x-ray administrators?

answered Dec 31, 2024 in Science

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A polyatomic ion is an ion composed of more than one what?

answered Dec 28, 2024 in Science

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