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Formic acid, HCHO2, burns in oxygen to form carbon dioxide and water as follows: HCHO2 (aq) + O2 (g) → 2 CO2 (g) + 2 H2O (l). If a 3.15-g sample of formic acid was burned in 2.0 L of oxygen, what volume of carbon dioxide would be produced? (Assume the reaction occurs at standard temperature and pressure, STP.
Discuss what happens when an individual with 17 chromosomes mates with an individual of the same species with 16 chromosomes.
UNDERSTANDING HYPOTHESIS TESTING
I. Directions: State the null and alternative hypothesis in words and in symbols:
1. The school record claims that the mean score in Math of the incoming Grade 11 students is 18.5. The teacher wishes to find out if the claim is true. She tests if there is significant difference between the batch mean score and the score of students in her class.
2. The average number of calories of a low-calorie meal is at most 300.
3. A social worker wants to test (at = 0.05) whether the average body mass index (BMI) of the pupils under feeding program is different from 8.2kg.
4. The average height of the college varsity basketball players in a certain university is 178cm.
5. A DTI representative wants to test at 99% confidence level whether the average content of a medium canned soda is less than 330 ml as indicated in the label.
The following function is continuous at x = 0:
𝑓(𝑥) =
(1−cos𝑘𝑥)/(xtanx)
, 𝑓𝑜𝑟 𝑥 ≠ 0 𝑎𝑛𝑑 𝑓(0) = 3. find k.
Interpersonal relationships between superiors and subordinates in an organization involve different kinds of power equations. In your opinion, arrange the 5 sources of power in order of importance, that are based on superior subordinate relationships in an organization. Justify your preference.
Make use of a neat, annotated schematic representation to discuss the structure and
function of desmosomes.
The equation for a straight line passing through two points can be determined without drawing a graph
[1] True
[2] False
Any straight line that runs from the third quadrant upwards (that is, ascends) from left to right has a_____
[1] Slope
[2] Positive slope
[3] Negative slope
[4] Interception
If you borrow money from the bank, the amount that you owe the bank is calculated includes:
[1]. Period and insurance
[2]. Insurance and interest
[3]. Period and interest
[4]. Interest and penalties
The interest is calculated using the following formula: I = Prt
Where P is:
[1] Period
[2] Penalty
[3] Principal debt
[4] Prime rate
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