A handbook lists the following formula for the percent ionization of a weak acid. (a) Derive this equation. What assumptions must you make in this derivation? (b) Use the equation to determine the percent ionization of a formic acid solution, HCOOH(aq), with a pH of 2.50. (c) A 0.150 M solution of propionic acid, has a pH of 2.85. What is for propionic acid?
Diversity & Families: Office hours Friday 9-11. TA: Lauren Stegeman. (Email Lauren) Stegeman@udel.edu st 1 test: March 11 th Paper March 18 2nd test: April 15th Paper April 22 nd 3 test: May 16 What do we think we know about contemporary families Families are supportive, caring, loving, different, complex etc. What is a family: Someone who loves you regardless if they are biologically related. A specific kind of family makes it difficult to benefit all families. Families years ago all had a mom and dad, and nowadays they have 2 dads and 2 moms etc. Family symbolizes wholesome, well-rounded, decency (family movies, pro-family candidates) Auto thoughts of traditional concept of family Images, love, permanence, children, exclusive, intergenerational continuity, homemakers Census definitions: two or more people related by blood, marriage or adoption is a family all who occupy a house (one or more persons) is a household informal definition of a family: group who cares and love for each there (legal issues) 2 views of families: pessimistic- families are deteriorating optimistic- family is changing/stronger view that perseveres in US: 2 parent family: husband employed and wife cares for the children evidence is legal cases against working moms. Shaken baby case- defense says it is mothers fault because she should be taking care of the baby at home, not working. Families debate if we need to return to “old ways” (stronger families, helped individ. More) Optimistic perspective: new family (supportive of everyone) egalitarian socializes the individ. To cope with world individ. Autonomy/realization greater closeness of members Macro influences on family life (wealthy, poor, middle-class) -economics -technology: destruction, help unite families, separate, communication ways -pop culture -social movement: Black Lives Matter, Gay Right groups, Child Vaccinations Research done on families (issues not affect what we study) -funding is a barrier -access to subjects -current issues -time commitment Based around theories: -lens way to see issues -shapes how you do research -must be objective -ethics -white, middle class families most common Quantitative: numerical data Qualitative: more detailed, more time (interview) non numbers Surveys-easy to send to large group of people, after quantitative, usually quick Clinical- done in labs Field- studying participate in familiar environment Secondary analysis- looking at studies that have been done, drawing general info not collecting own data Environment: controlled, 2 groups comparing same excerpt for one variable often cause & Evaluation research- comparing to see what wants best- often before & after Survey- customer service Make sure your sample is representative Yes or no quantitative open ended-qualitative people are often dishonest on surveys. Poor wording is a problem Significance of families/Family myths Permanence of Family as an institution: Humans have had some form of family institution since the days when we were hunters and gathers 10,000 years agriculturist -most live in settled agriculture -Humans are hard-wired to live in groups: advantages- survival, protection from elements Current definitions of the family: -family: intimate group of 2 or more people who- live together in a committed relationship, care for one another and any children, share activities & close emotional ties -Fictive kin: family in which non-relatives are accepted as part of a family ex. Mom’s bff Is the American Family dying or ceasing to exist 9/10 people continue to live as family members in a household 9/10 young people marry 3/4 of those who divorce will remarry What makes belonging to a family different from belonging to other groups -you can’t choose them, even if you make a mistake your family will still love you. Death makes people quit family relationships Why do w need families -procreation, socialization, economic security, emotional security, social status Implications of Family membership: -intensity of involvement, long term membership, social institution in larger society (parents have legal obligations to children, authority over children- issues w/ stepparents) Family structure: Nuclear family: husband, wife, children (bio/adopted) Conjugal family: couple Extended family: 2 or more generations live with each other or near to one another Family Structure: Family of origin/orientation-family you are born into Family procreation- family formed through marriage or having kids In other words: we belong to 2 families in our lifetime Origin-child, procreation- parent What country has the largest population China 1.3 billion India 1.2 billion US 300,023 million Sweden 9 million