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\(10 \times 20 = 8 \times d \Rightarrow d = \dfrac{200}{8} = 25\) days
Reaction: $C_{6}H_{6}(l) + 7.5O_{2}(g) \rightarrow 6CO_{2}(g) + 3H_{2}O(l)$.
$\Delta n_g = 6 - 7.5 = -1.5$.
$\Delta H = -3263.9 + (-1.5 \times 8.314 \times 10^{-3} \times 298) = -3263.9 - 3.7 = -3267.6\text{ kJ mol}^{-1}$.
$\frac{I_{max}}{I_{min}} = \left( \frac{a_1 + a_2}{a_1 - a_2} \right)^2 = 16 \implies \frac{a_1 + a_2}{a_1 - a_2} = 4$.
$a_1 + a_2 = 4a_1 - 4a_2 \implies 5a_2 = 3a_1 \implies \frac{a_1}{a_2} = \frac{5}{3}$.
Intensity ratio $\frac{I_1}{I_2} = \left( \frac{a_1}{a_2} \right)^2 = \frac{25}{9}$.
PPROM = Rupture of membranes before 37 weeks gestation without labor.
Evidence-based management bundle (ACOG/RCOG):
| Intervention | Rationale | Drug/Dose |
|---|---|---|
| Hospitalization | Monitor for chorioamnionitis, cord prolapse | β |
| Antibiotics | Prolong latency period, reduce chorioamnionitis | Erythromycin 250 mg QID Γ 10 days (avoid amoxicillin-clavulanate β associated with NEC) |
| Antenatal corticosteroids | Fetal lung maturity (if 24β34 weeks) | Betamethasone 12 mg IM Γ 2 doses, 24 hr apart |
| MgSOβ neuroprotection | If <32 weeks, reduces cerebral palsy | \(4\,\text{g}\) IV loading dose |
| GBS prophylaxis | If GBS status unknown | Penicillin G IV |
Tocolysis: Short-term tocolysis (48 hr) to allow steroids to act, but not for prolonged tocolysis as it may mask infection signs. Nifedipine or indomethacin used.
Chorioamnionitis signs (mandate delivery regardless of GA): fever, uterine tenderness, fetal tachycardia, maternal tachycardia, foul-smelling liquor, elevated CRP/WBC.
Which item, when entered in the statement of profit or loss of a sole trader, will increase profits?
Option C (Goods taken for own use) is correct.
Entry: Debit Drawings; Credit Purchases β reducing purchases expense increases gross profit.
- A: Carriage inwards increases cost of purchases β reduces profit.
- B: Discounts allowed is an expense β reduces profit.
- D: Sales returns reduces revenue β reduces profit.
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