Questions and answers by

Kiddo

Questions (333)

Which action occurs at an electrode of a galvanic cell?(1 point)Responses anion transfer anion transfer electron flow electron
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2. 115 views
Which action occurs at an electrode of a galvanic cell?(1 point)
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Use the chemical equation to answer the question.Br2(l)+2NaI(aq)→I2(s)+2NaBr(aq) Which elements are oxidized and reduced in
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Which statement correctly describes the oxidation number of the manganese atom (Mn) in MnI2 and MnO2?(1 point)Responses
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Which chemical equation represents a redox reaction?(1 point)Responses Fe2O3(s)+2Al(s)→Al2O3(s)+2Fe(l) cap f e sub 2 cap o sub
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Which statement describes the process of oxidation?(1 point)Responses Oxidation results in a gain of electrons, so the oxidation
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2. 172 views
Which statement describes the process of oxidation?(1 point)
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Which phrase best defines a redox reaction?(1 point)Responses a reaction in which oxygen combines with different atoms a
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Which phrase best defines a redox reaction?(1 point)Responses a reaction in which oxygen combines with different atoms a
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Use the reaction to answer the question.C3H8 + 5O2 → 3CO2 + 4H2O + energy Which type of reaction is shown?
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Hydrogen and nitrogen combine to form ammonia. When nitrogen and hydrogen bond, nitrogen pulls the electrons from hydrogen
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Hydrogen and nitrogen combine to form ammonia. When nitrogen and hydrogen bond, nitrogen pulls the electrons from hydrogen
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Which statement best explains why magnesium and chlorine combine in a 1:2 ratio?(1 point)
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Which type of reaction can only take place when one or both of the reactants is in elemental form?(1 point)
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What were the strengths of your investigation? What were the limitations? How could you address the limitations? Record a
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Q1) Refer to the chemical equation of rusting of iron and the image of the iron oxide molecule. 4Fe + 3O2 --> 2Fe O3 Draw a
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Did any of the materials used in the experiment prevent the steel wool from reacting with water and oxygen? If so, how?
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Evaluate the chemical reaction for rusting of iron. Which chemical species is oxidized? Which is reduced? 4Fe + 3O2 --> 2Fe2 O3
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What is symbolic play?A. the creation of imaginary friends B. the inability to share C. when a child is unable to assimilate a
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Question 49 of 50______________ is a term used describe all the mental processes involved in acquiring, storing, and using
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To test cause and effect you must use which kind of research?A. descriptive B. correlation C. experimental D. longitudinal
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A man-made instrument used for looking at far distances
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What is binocular disparity?A. A depth cue that requires only one eye B. A depth cue that requires both eyes C. Color constancy
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What emotion did psychologist Harry Harlow want to study?A. love B. anger C. fear D. grief
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Which of the following is considered by many to be the biggest advancement in sleep study?A. Discovery of Rapid Eye Movement B.
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Phrenology is based on the assumption that mental faculties are located in brain "organs" on the surface of the brain and can be
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2. 135 views
Who developed the Cognitive Problem Solving View of dream analysis?A. Carl Jung B. Rosalind Cartwright C. Hobson and McCarley D.
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2. 113 views
What is the major implication in studying attachment theory?A. it sheds light on the potential impact of childhood experiences
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Having been discredited, the British Phrenological Society disbanded in:A. 1967 B. 1995 C. 1927 D. 1917
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The Muller-Lyer illusion and the Ponzo illusion are both examples of what?A. Perceptual illusions B. Perceptual set C. Visual
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Both Sigmund Freud and John Watson stressed the importance of __________ in child development.A. genetics B. environment C. race
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What is absolute threshold?A. The absolute maximum of stimulation that an organism can take before it has sensory overload. B.
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What is psychobiology?A. the scientific study of the philosophy of behavior and mental processes B. the scientific study of the
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2. 172 views
Which of the following best describes "free association"?A. patients analyze their dreams B. patients analyze their conscious
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2. 141 views
Which of the following is the positive outcome of Stage 2 in of Erikson's developmental model?A. The child will be
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Erik Erikson's theories are similar to those of Sigmund Freud in that:A. they were both psychologists B. they were both obsessed
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Naturalistic ObservationA. This method observes subjects with little interference in their "natural habitat". B. This method is
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adrenalA. Control and balance levels of calcium and phosphate in blood and tissue fluids B. Secretes androgen hormones,
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pancreasA. Control and balance levels of calcium and phosphate in blood and tissue fluids B. Secretes androgen hormones,
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2. 135 views
surveysA. This method observes subjects with little interference in their "natural habitat". B. This method is an intensive
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2. 109 views
According to Erickson, __________ is the single most important conflict we face.A. identity crisis B. loss of a parent C. potty
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When we learn to understand the mind and feelings, we can also learn to ________ and _________ behavior.A. predict and control
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When we learn to understand the mind and feelings, we can also learn to ________ and _________ behavior.
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When did the study of child development begin in earnest?A. the 1700s B. the 1900s C. ancient Rome D. medieval times
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__________ was the most forceful leader of behaviorism who coined the term "operant conditioning."
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parathyroidA. Control and balance levels of calcium and phosphate in blood and tissue fluids B. Secretes androgen hormones,
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Introspection is a method of investigation developed by:A. functionalists B. structuralists C. psychoanalysts D. phrenologists
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What does tabula rasa refer to?A. a medieval writing tablet B. the notion that humans are born with built-in mental content C.
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What does a descriptive study attempt to do?A. describe the characteristics or behaviors of a person or a particular population
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When psychologists began to seriously assess child development, they did it from the perspective of:A. mental health B. physical
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Scientists first began to understand how drugs work on the brain with what discovery?A. Opium dens B. Heroin withdrawal C.
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Scientists first began to understand how drugs work on the brain with what discovery?
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GonadsA. Control and balance levels of calcium and phosphate in blood and tissue fluids B. Secretes androgen hormones, including
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What is developmental psychology?A. the study behavior across the lifespan B. the study of behavior in a longitudinal survey C.
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Transforming sensory information into meaningful perceptions involves:A. A high IQ B. Cognition C. Gestalt principles D.
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Transforming sensory information into meaningful perceptions involves:
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Which metaphor did Sigmund Freud use to explain how the mind works?
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What is longitudinal research?A. a form of research wherein you interview, test, and observe a group of individuals over a long
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2. 117 views
What is longitudinal research?
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__________ introduced the concept of maternal deprivation.
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Case StudiesA. This method observes subjects with little interference in their "natural habitat". B. This method is an intensive
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___________ has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure.
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The Central Nervous System consists of the __________ and __________.
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According to Piaget’s model, what is assimilation?A. conforming to the characteristics of a new culture B. the process of
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Jean Piaget noted that younger children frequently answer questions differently than older children because they:A. don't know
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Match the following glands with their respective functions by filling in the blank with the letter of the function.Thyroid A.
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In correlation studies, if the researcher finds that violent criminals have in fact watched a lot of television violence, then
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Which of the following best describes the ego?A. The ego tries to meet the needs of the id while taking into account the reality
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2. 130 views
What is a monochromat?A. A person that can see all colors B. A person that is totally color-blind C. A person that always
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Match the following glands with their respective functions by filling in the blank with the letter of the function.pineal
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Match the following glands with their respective functions by filling in the blank with the letter of the function.Functions A.
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In which group of children did scientists find results similar to those in Harlow’s monkey experiments?
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Q1) Consider this reaction. H2 + F2 + 2HF then make a list of five questions that you could pose to determine whether or not
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Which option describes a situation in which reduction occurs?(1 point)Responses Al becoming Al3+ Al becoming Al, 3+ S2–
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A hydrocarbon reacts with oxygen. Which products are the result?(1 point)Responses hydrogen gas and oxygen gas hydrogen gas and
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2. 281 views
Which element is most likely to replace hydrogen in a displacement reaction?(1 point) Responses bromine (Br) lithium (Li) oxygen
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Which element is most likely to replace hydrogen in a displacement reaction?
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Use the reaction to answer the question.2KCl → 2K + Cl2 Which type of reaction is shown?
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Beryllium (Be) has four electrons. Fluorine (F) has nine electrons. Which chemical formula shows the correct subscripts for the
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Which statement best describes an oxidation-reduction reaction?(1 point)
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Which statement best describes an oxidation-reduction reaction?(1 point)Responses a chemical reaction in which electrons are
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Simple Chemical Reactions Unit Test12 of 1912 of 19 Items Question Use the electronegativity and valence electron information to
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Which characteristic do electronegativity differences indicate about reactions between atoms?(1 point)
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Which characteristic do electronegativity differences indicate about reactions between atoms?(1 point)Responses compound energy
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Which element gains two electrons to fill its outermost energy level?(1 point) Responses selenium (Se) magnesium (Mg) fluorine
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Which element gains two electrons to fill its outermost energy level?(1 point) Responses selenium (Se) selenium (Se) magnesium
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when table salt forms, which action occurs between the reacting elements?(1 point)Responses Chlorine exchanges an electron with
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When table salt forms, which action occurs between the reacting elements?(1 point)Responses Chlorine exchanges an electron with
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Which statement describes the bonds in nitrate (NO3-)?(1 point) Responses Nitrogen and oxygen have an electronegativity
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4NaCl + 2SO2 + _____H2O + _____O2 → _____Na2SO4 + 4HClWhich numbers balance this equation? (1 point) Responses 1, 2, 4 1, 2, 4
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H2SO4 + HI → H2S + I2 + H2OWhich option shows a correctly balanced chemical equation? (1 point) Responses H2SO4 + HI → H2S +
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Two carbon atoms (Group 14) bond with two hydrogen atoms (Group 1) to form acetylene (C2H2). How would each carbon atom in
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Zn + 2HCl → ZnCl2 + H2Which type of reaction is this? (1 point) Responses replacement replacement combustion combustion ionic
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Simple Chemical Reactions Unit Test3 of 193 of 19 Items Question Use the periodic table to answer the question. An illustration
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Which statement comparing ionic and covalent bonds is correct?(1 point)Responses Covalent bonds tend to be less polar than ionic
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2. 260 views
CH4 + 2O2 → CO2 + 2H2OIf you change the 2 in front of 2O2 to a 3, what will be the change in the results on the right side of
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Triangle Diagram for triangle upper X upper Y upper ZTriangle upper X upper Y upper Z is shown.· Point upper A is located on
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riangle Diagram for triangle upper X upper Y upper ZTriangle upper X upper Y upper Z is shown.· Point upper A is located on
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What is the best description of P?triangle 3 A. incenter B. centroid C. circumcenter D. orthocenter
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What is the best description of modifying above upper A upper B with bar?Triangle upper A upper X upper Z is shown with point B
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2. 237 views