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[美國直購 ShopUSA] Gigabyte 主機板 LGA 1155 Intel B75 SATA 6Gbs USB 3.0 Micro ATX DDR3 1600 GA-B75M-D3H $3270

功能:

[美國直購 ShopUSA] Gigabyte 主機板 LGA 1155 Intel B75 SATA 6Gbs USB 3.0 Micro ATX DDR3 1600 GA-B75M-D3H $3270

描述:

20130109bj_Gigabyte LGA 1155

Product Features

CPU: Support for Intel Core i7 /i5/i3/Pentium/Celeron processors in the LGA1155 package. Chipset: Intel B75 Express Chipset

Memory: 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory. Support for DDR3 1600/1333/1066 MHz memory modules. Support for non-ECC memory modules. Support for Extreme Memory Profile (XMP) memory modules

Audio: Realtek ALC887 codec. High Definition Audio. 2/4/5.1/7.1-channel. Support for S/PDIF Out. LAN: 1 x Realtek GbE LAN chip

Expansion Slots: 1 x PCI Express x16 slot, running at x16. 1 x PCI Express x16 slot, running at x4. 2 x PCI slot. AMD CrossFireX technology

Storage Interface: 1 x SATA 6Gb/s connectors. 5 x SATA 3Gb/s connectors.

Back Panel Connectors: 1 x PS/2 keyboard/mouse port/1 x D-Sub port/1 x DVI-D port/1 x HDMI port/2 x USB 3.0/2.0 ports/4 x USB 2.0/1.1 ports/1 x RJ-45 port/3 x audio jacks

Internal I/O Connectors: 1 x 24-pin ATX main power connector/1 x 4-pin ATX 12V power connector/1 x SATA 6Gb/s connector/5 x SATA 3Gb/s connectors/1 x CPU fan header/1 x system fan header/1 x front panel header/1 x front panel audio header/1 x S/PDIF Out header/1 x USB 3.0/2.0 header/2 x USB 2.0/1.1 headers/1 x serial port header/1 x parallel port/1 x Trusted Platform Module (TPM) header/1 x Clear CMOS jumper

USB: Up to 8 USB 2.0/1.1 ports. Up to 4 USB 3.0/2.0 ports.

Product Details

Product Dimensions: 11 x 11 x 3 inches ; 2.2 pounds

Shipping Weight: 2.2 pounds

Item model number: GA-B75M-D3H

Product Description

All new design of Ultra Durable 4 classic/Supports 3rd Gen. Intel 22nm CPUs and 2nd Gen. Intel Core CPUs (LGA1155 socket)/Dual UEFI BIOS protection with 3TB+ HDD boot up capability/PCI Express Gen 3.0 support/Industry's Leading All Japanese Solid Capacitor Design/GIGABYTE 333 Onboard Acceleration (USB 3.0, SATA 3.0 & 3x USB Power)/2-way CrossFireX multi-GPU support/HDMI/DVI interface for smoother HD video playback/Enhanced Intel HD Graphics 4000/2500 integrated with the processor/GIGABYTE On/Off Charge for USB devices

[美國直購 ShopUSA] Gigabyte 主機板 LGA 1155 Intel B75 SATA 6Gbs USB 3.0 Micro ATX DDR3 1600 GA-B75M-D3H $3270

相關 [美國直購 ShopUSA] Gigabyte 主機板 LGA 1155 Intel B75 SATA 6Gbs USB 3.0 Micro ATX DDR3 1600 GA-B75M-D3H $3270

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標題:

某溫度下,固體溶質甲之溶解度曲線如圖....

發問:

某溫度下,固體溶質甲之溶解度曲線如圖(圖和下址25題相同,但題目和選項內容不同,所以看圖即可,題目及選項看我的)),則下列何者不正確? (http://sssh161.sssh.tp.edu.tw/~exam/chemistry/95/950102_class2.doc (A)溶液P之重量百分率濃度(%)為37.5% (B)溶液Q降溫至40℃達飽和,其重量百分濃度不變 (C)取1100克的溶液S冷卻到40℃，可析出溶質甲近600克 (D)欲使溶液Q達到飽和，每千克溶液Q需再加入溶質甲約188克

最佳解答:

答案是： (C) 取1100克的溶液S冷卻到40℃，可析出溶質甲近600克 (A) 正確在 40°C 下溶液 P 在溶解度曲線上，所以 P 是飽和溶液。在 P 中，每 100 g 的水溶解 60 g 的溶質甲。重量百分濃度 = [60/(100 ＋60)] x 100% = 37.5% (B) 正確 Q 降溫至 40°C，剛在溶解度曲線上，所以達致飽和。由於剛達致飽和但未致過飽和，所以沒有固態溶質甲析出，其重量百分濃度不變。 (C) 錯誤在 90°C 下溶液 S 的溶解度是 120 g 溶質/ 100 g 水。在 90°C 的 1100 溶液 S 中：溶質甲重量 = 1100 x [120/(120 + 100)] = 600 克水重量 = 1100 - 600 = 500 克降至 40°C 時：水重量 = 500 克可含溶質甲重量 = 60 克析出溶質甲重量 = 600 - 60 = 540 克（與 600 克並不接近。） (D) 正確在 70°C 下溶液 Q 的溶解度是 60 g 溶質/ 100 g 水。在 70°C 下的 1000 克溶液 Q 中：溶質甲重量 = 1000 x [60/(60 + 100)] = 375 克水重量 = 1000 - 375 = 625 克在 70°C 下溶質甲的溶解度 = 90 克 / 100 克水溶液最多可溶解溶質甲重量 = 625 x (90/100) = 562.5 克需再加入溶質甲的重量 = 562.5 - 375 = 187.5 克 ≈ 188 克

其他解答:

[美國直購 ShopUSA] Gigabyte 主機板 LGA 1155 Intel B75 SATA 6Gbs USB 3.0 Micro ATX DDR3 1600 GA-B75M-D3H $3270

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